/* roulang page: index */
:root{
      --ink:#151b2e;
      --muted:#697386;
      --soft:#f4f6fa;
      --paper:#ffffff;
      --line:#e7eaf1;
      --purple:#7448ff;
      --purple-deep:#4e2bbd;
      --orange:#ff915c;
      --cyan:#50d5d0;
      --dark:#111827;
      --shadow:0 20px 60px rgba(23,28,52,.11);
      --shadow-sm:0 10px 28px rgba(23,28,52,.08);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --container:1180px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange);border-radius:5px}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.03em}
    h2{font-size:clamp(28px,4vw,46px)}
    p{color:var(--muted)}
    .section{padding:104px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}
    .section-head h2{margin-top:12px}
    .section-head p{max-width:520px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-primary{color:#fff;background:var(--purple);box-shadow:0 12px 22px rgba(116,72,255,.25)}
    .btn-primary:hover{background:var(--purple-deep);transform:translateY(-2px);box-shadow:0 16px 28px rgba(116,72,255,.3)}
    .btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.45)}
    .btn-light:hover{background:#f7f3ff;color:var(--purple);transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
    .btn-outline:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(80,213,208,.7);outline-offset:3px}
    .site-header{position:absolute;z-index:10;top:0;left:0;right:0;padding:20px 0}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:11px 14px 11px 20px;border:1px solid rgba(255,255,255,.24);background:rgba(17,24,39,.42);backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
    .brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--orange),#ffd46b 44%,var(--cyan));position:relative;box-shadow:0 6px 16px rgba(255,145,92,.3)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:7px;left:7px;box-shadow:10px 10px 0 rgba(255,255,255,.72)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:18px}
    .nav-links a{color:rgba(255,255,255,.82);font-size:13px;padding:9px 12px;border-radius:10px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.16)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .nav-actions .btn{min-height:39px;padding:0 16px;font-size:13px}
    .menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
    .hero{min-height:650px;color:#fff;position:relative;display:flex;align-items:center;overflow:hidden;background:#17152d url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(108deg,rgba(12,16,39,.91),rgba(37,22,78,.65) 55%,rgba(18,21,45,.42))}
    .hero:after{content:"";position:absolute;right:-160px;top:100px;width:520px;height:520px;border:1px solid rgba(255,255,255,.16);border-radius:50%;box-shadow:0 0 0 48px rgba(255,255,255,.035),0 0 0 96px rgba(255,255,255,.025)}
    .hero-content{position:relative;z-index:1;padding:130px 0 70px;max-width:790px}
    .hero-kicker{display:inline-flex;align-items:center;gap:10px;padding:7px 12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);border-radius:999px;font-size:12px;color:#e8e5ff}
    .hero-kicker b{color:#ffd16d}
    .hero h1{font-size:clamp(42px,7vw,76px);max-width:780px;margin:24px 0 22px}
    .hero h1 em{font-style:normal;color:#ffd16d}
    .hero-intro{max-width:690px;color:rgba(255,255,255,.8);font-size:17px;line-height:1.9}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 34px}
    .hero-metrics{display:flex;gap:30px;flex-wrap:wrap}
    .hero-metrics div{padding-left:15px;border-left:2px solid rgba(255,255,255,.34)}
    .hero-metrics strong{display:block;font-size:24px;color:#fff}
    .hero-metrics span{font-size:12px;color:rgba(255,255,255,.62)}
    .hero-strip{position:absolute;bottom:0;left:0;right:0;z-index:2;background:rgba(8,12,29,.55);border-top:1px solid rgba(255,255,255,.14)}
    .hero-strip-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:13px 0;color:rgba(255,255,255,.75);font-size:13px}
    .dot-list{display:flex;gap:7px;align-items:center}.dot-list i{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.35}.dot-list i:first-child{width:23px;border-radius:8px;background:#ffd16d;opacity:1}
    .trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .trust-item{background:#fff;display:flex;align-items:center;gap:13px;padding:22px}
    .trust-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:#f1ecff;color:var(--purple);font-size:19px}
    .trust-item strong{display:block;font-size:14px}.trust-item span{font-size:12px;color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:1.18fr .82fr .82fr;gap:18px}
    .feature-card{position:relative;min-height:265px;padding:30px;border-radius:var(--radius-lg);overflow:hidden;background:var(--soft);transition:.3s}
    .feature-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .feature-card.large{background:linear-gradient(135deg,#27204c,#5937a2);color:#fff}
    .feature-card.large p{color:rgba(255,255,255,.72);max-width:360px}
    .feature-card h3{font-size:24px;margin:15px 0 12px}
    .feature-card:not(.large) h3{font-size:20px}
    .feature-number{color:var(--orange);font-size:12px;font-weight:900;letter-spacing:.1em}
    .feature-art{position:absolute;right:-15px;bottom:-30px;width:170px;opacity:.7}
    .feature-card.large .feature-art{width:240px;opacity:.48}
    .split-panel{display:grid;grid-template-columns:.92fr 1.08fr;gap:60px;align-items:center}
    .visual-card{position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:450px;background:#241a4b}
    .visual-card img{width:100%;height:100%;min-height:450px;object-fit:cover;opacity:.86}
    .visual-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(22,15,49,.85))}
    .visual-note{position:absolute;z-index:1;left:25px;right:25px;bottom:24px;color:#fff}
    .visual-note strong{font-size:24px;display:block;margin-bottom:6px}
    .copy h2{margin:12px 0 20px}.copy>p{font-size:16px;line-height:1.9}
    .check-list{list-style:none;margin:25px 0}.check-list li{display:flex;gap:12px;margin:15px 0;color:var(--ink);font-weight:700}.check-list li:before{content:"✓";display:grid;place-items:center;flex:none;width:23px;height:23px;border-radius:50%;background:#e4faf7;color:#138c81;font-size:13px}
    .topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .topic-card{border:1px solid var(--line);border-radius:18px;padding:20px;background:#fff;transition:.25s;min-height:175px}
    .topic-card:hover{border-color:#c9bcff;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
    .topic-card:nth-child(1){background:#fff5ee}.topic-card:nth-child(2){background:#f1f8ff}.topic-card:nth-child(3){background:#f5f1ff}
    .topic-card:nth-child(4){background:#effbf8}
    .topic-card .topic-no{font-size:12px;color:var(--purple);font-weight:900}
    .topic-card h3{font-size:18px;margin:14px 0 7px}.topic-card p{font-size:13px;line-height:1.7}
    .topic-card a{display:inline-block;margin-top:13px;font-size:12px;color:var(--purple);font-weight:800}
    .data-section{background:var(--dark);color:#fff;position:relative;overflow:hidden}
    .data-section:before{content:"";position:absolute;width:480px;height:480px;right:-160px;top:-180px;border-radius:50%;background:rgba(116,72,255,.2);filter:blur(5px)}
    .data-section .section-head p{color:#aeb6c9}.data-section .eyebrow{color:#8be8df}
    .data-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#30384a;border:1px solid #30384a;border-radius:22px;overflow:hidden}
    .data-cell{background:#181f30;padding:30px 25px}.data-cell strong{display:block;font-size:42px;color:#fff;letter-spacing:-.05em}.data-cell strong small{font-size:18px;color:#8be8df}.data-cell span{color:#aeb6c9;font-size:13px}
    .case-section{background:#fbfafc}
    .case-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .case-main{position:relative;min-height:390px;border-radius:var(--radius-xl);overflow:hidden;color:#fff}
    .case-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
    .case-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(18,18,38,.9),rgba(18,18,38,.03))}
    .case-content{position:absolute;z-index:1;bottom:28px;left:30px;right:30px}.case-content h3{font-size:27px;margin:9px 0}.case-content p{color:rgba(255,255,255,.78)}
    .case-side{display:grid;gap:18px}.case-mini{display:flex;gap:18px;align-items:center;padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff}.case-mini img{width:126px;height:108px;object-fit:cover;border-radius:14px}.case-mini h3{font-size:18px;margin-bottom:7px}.case-mini p{font-size:13px}
    .compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare-box{padding:30px;border-radius:22px;border:1px solid var(--line)}.compare-box.good{background:#f3f0ff;border-color:#d5caff}.compare-box h3{font-size:22px;margin-bottom:18px}.compare-box ul{list-style:none}.compare-box li{padding:12px 0;border-bottom:1px solid rgba(116,72,255,.12);color:var(--muted)}.compare-box.good li{color:var(--ink)}.compare-box li:before{content:"•";color:var(--orange);font-weight:900;margin-right:10px}
    .viewpoint{display:grid;grid-template-columns:.75fr 1.25fr;gap:18px}.quote-card{padding:35px;border-radius:var(--radius-xl);background:linear-gradient(135deg,#ffeadc,#fff8f3)}.quote-mark{font-size:58px;color:var(--orange);line-height:1}.quote-card blockquote{font-size:23px;font-weight:800;line-height:1.5;margin:8px 0 18px}.quote-card cite{font-size:13px;color:#9c6e57;font-style:normal}.insight-list{display:grid;gap:12px}.insight-item{display:grid;grid-template-columns:54px 1fr;gap:16px;padding:19px;border:1px solid var(--line);border-radius:17px}.insight-item b{font-size:24px;color:var(--purple)}.insight-item h3{font-size:17px;margin-bottom:5px}.insight-item p{font-size:13px}
    .news-section{background:var(--soft)}.news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:40px}.news-list{display:grid;gap:0}.news-item{display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;padding:21px 0;border-bottom:1px solid var(--line)}.news-date{color:var(--purple);font-weight:900;font-size:13px}.news-item h3{font-size:17px;margin-bottom:5px}.news-item p{font-size:13px;max-width:560px}.news-item a{font-size:12px;color:var(--purple);font-weight:900;white-space:nowrap}.news-feature{padding:28px;border-radius:24px;background:#201a3d;color:#fff}.news-feature .eyebrow{color:#8be8df}.news-feature h3{font-size:25px;margin:18px 0 14px}.news-feature p{color:#bfc5d5;font-size:14px}.news-feature .btn{margin-top:24px}
    .faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}.faq-grid>div>p{margin-top:18px;line-height:1.9}.faq-list{display:grid;gap:10px}.faq-item{border:1px solid var(--line);border-radius:15px;background:#fff;overflow:hidden}.faq-item summary{cursor:pointer;list-style:none;padding:19px 22px;font-weight:800;position:relative;padding-right:50px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:20px;color:var(--purple);font-size:22px;top:13px}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px;line-height:1.85}
    .consult{background:linear-gradient(115deg,#5e36ce,#8a59ff);color:#fff;border-radius:var(--radius-xl);padding:44px 50px;display:flex;align-items:center;justify-content:space-between;gap:30px;position:relative;overflow:hidden}.consult:after{content:"";position:absolute;width:260px;height:260px;border:1px solid rgba(255,255,255,.18);border-radius:50%;right:12%;top:-130px}.consult h2{font-size:35px;margin:10px 0}.consult p{color:rgba(255,255,255,.78);max-width:630px}.consult .btn{position:relative;z-index:1}
    .brand-story{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}.brand-story img{width:100%;height:300px;object-fit:cover;border-radius:24px}.brand-story p{font-size:16px;line-height:2;margin-top:20px}
    .footer{background:#111827;color:#fff;padding:65px 0 25px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:40px;padding-bottom:45px;border-bottom:1px solid #2b3446}.footer .brand{margin-bottom:18px}.footer-intro{color:#9ca7ba;max-width:290px;font-size:13px}.footer h3{font-size:14px;margin-bottom:16px}.footer-links{list-style:none;display:grid;gap:9px}.footer-links a{color:#9ca7ba;font-size:13px;transition:.2s}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:20px;align-items:flex-end;padding-top:22px;color:#7f8a9c;font-size:12px}.footer-bottom p{color:#7f8a9c}.footer-meta{text-align:right;line-height:2}.fixed-cta{position:fixed;z-index:8;right:24px;bottom:22px;display:flex;align-items:center;gap:11px;padding:9px 10px 9px 16px;background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:0 12px 34px rgba(17,24,39,.18);font-size:13px;font-weight:800}.fixed-cta b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--purple);color:#fff}
    @media(max-width:1024px){.nav-links{gap:0;margin-right:8px}.nav-links a{padding:8px 7px;font-size:12px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card.large{grid-column:span 2}.topic-grid{grid-template-columns:repeat(3,1fr)}.section{padding:82px 0}.split-panel{gap:35px}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.site-header{padding:12px 0}.nav-wrap{padding:9px 12px 9px 15px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:16px;right:16px;top:70px;padding:12px;background:#171b31;border:1px solid rgba(255,255,255,.2);border-radius:16px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.nav-actions{display:none}.hero{min-height:700px}.hero-content{padding-top:150px}.hero h1{font-size:48px}.hero-strip-inner{font-size:11px}.hero-strip-inner .btn{min-height:36px;padding:0 12px;font-size:12px}.trust-row{grid-template-columns:1fr 1fr}.split-panel,.case-layout,.news-layout,.faq-grid,.brand-story,.viewpoint{grid-template-columns:1fr}.visual-card{min-height:330px}.visual-card img{min-height:330px}.topic-grid{grid-template-columns:repeat(2,1fr)}.data-grid{grid-template-columns:1fr 1fr}.data-cell strong{font-size:34px}.case-main{min-height:330px}.footer-grid{grid-template-columns:1fr 1fr}.footer-intro{max-width:none}.footer-bottom{display:block}.footer-meta{text-align:left;margin-top:12px}.fixed-cta{right:15px;bottom:15px}.section-head{display:block}.section-head>p{margin-top:15px}}
    @media(max-width:520px){body{font-size:14px}.section{padding:64px 0}.hero h1{font-size:39px}.hero-intro{font-size:15px}.hero-metrics{gap:17px}.hero-metrics strong{font-size:20px}.feature-grid,.topic-grid,.data-grid,.compare{grid-template-columns:1fr}.feature-card.large{grid-column:auto}.feature-card{min-height:220px}.trust-row{grid-template-columns:1fr}.trust-item{padding:16px}.news-item{grid-template-columns:70px 1fr}.news-item a{grid-column:2}.news-item p{display:none}.consult{display:block;padding:32px 24px}.consult h2{font-size:29px}.consult .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}.brand-story img{height:240px}.hero-strip{display:none}}

/* roulang page: category3 */
:root{
 --ink:#151b2e;
 --muted:#697386;
 --soft:#f4f6fa;
 --paper:#ffffff;
 --line:#e7eaf1;
 --purple:#7448ff;
 --purple-deep:#4e2bbd;
 --orange:#ff915c;
 --cyan:#50d5d0;
 --dark:#111827;
 --shadow:0 20px 60px rgba(23,28,52,.11);
 --shadow-sm:0 10px 28px rgba(23,28,52,.08);
 --radius-xl:30px;
 --radius-lg:22px;
 --radius-md:16px;
 --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.25;letter-spacing:-.025em}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange);border-radius:5px}
.section{padding:96px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
.section-head h2{font-size:clamp(29px,4vw,45px);margin-top:12px}
.section-head p{max-width:540px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.25s ease;border:1px solid transparent}
.btn-primary{color:#fff;background:var(--purple);box-shadow:0 12px 22px rgba(116,72,255,.25)}
.btn-primary:hover{background:var(--purple-deep);transform:translateY(-2px);box-shadow:0 16px 28px rgba(116,72,255,.3)}
.btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.45)}
.btn-light:hover{background:#f7f3ff;color:var(--purple);transform:translateY(-2px)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(80,213,208,.7);outline-offset:3px}
.site-header{position:absolute;z-index:10;top:0;left:0;right:0;padding:20px 0}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:11px 14px 11px 20px;border:1px solid rgba(255,255,255,.24);background:rgba(17,24,39,.42);backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--orange),#ffd46b 44%,var(--cyan));position:relative;box-shadow:0 6px 16px rgba(255,145,92,.3)}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:7px;left:7px;box-shadow:10px 10px 0 rgba(255,255,255,.72)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:18px}
.nav-links a{color:rgba(255,255,255,.82);font-size:13px;padding:9px 12px;border-radius:10px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.16)}
.nav-actions{display:flex;align-items:center;gap:9px}
.nav-actions .btn{min-height:39px;padding:0 16px;font-size:13px}
.menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
.page-banner{position:relative;overflow:hidden;color:#fff;padding:156px 0 74px;background:#17152d url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.page-banner:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(13,17,40,.93),rgba(75,43,145,.72) 62%,rgba(18,21,45,.45))}
.page-banner .container{position:relative;z-index:1}
.banner-grid{display:grid;grid-template-columns:1.15fr .85fr;align-items:end;gap:50px}
.page-banner h1{font-size:clamp(40px,6vw,68px);margin:20px 0 18px}
.page-banner p{max-width:680px;color:rgba(255,255,255,.78);font-size:17px}
.banner-card{padding:24px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);backdrop-filter:blur(15px);border-radius:24px}
.banner-card strong{display:block;font-size:30px;color:#ffd16d}
.banner-card span{color:rgba(255,255,255,.72);font-size:13px}
.banner-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.banner-stat{padding:15px;border-radius:15px;background:rgba(0,0,0,.15);border:1px solid rgba(255,255,255,.13)}
.banner-stat b{display:block;color:#fff;font-size:18px}
.banner-stat small{color:rgba(255,255,255,.62)}
.notice-bar{background:#fff;border-bottom:1px solid var(--line)}
.notice-inner{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:16px 0;color:var(--muted);font-size:13px}
.notice-inner strong{color:var(--purple)}
.topic-layout{display:grid;grid-template-columns:1.04fr .96fr;gap:54px;align-items:center}
.topic-photo{position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:430px;background:#dedcf5}
.topic-photo img{width:100%;height:430px;object-fit:cover}
.topic-photo:after{content:"兴趣，从一次发现开始";position:absolute;left:24px;bottom:22px;padding:10px 15px;border-radius:999px;color:#fff;background:rgba(17,24,39,.68);font-weight:800;font-size:13px}
.topic-copy h2{font-size:clamp(29px,4vw,45px);margin:13px 0 18px}
.topic-copy>p{color:var(--muted);font-size:16px}
.check-list{list-style:none;padding:0;margin:25px 0 28px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start}
.check-list i{flex:0 0 23px;width:23px;height:23px;border-radius:50%;background:#eee8ff;color:var(--purple);font-style:normal;text-align:center;line-height:23px;font-weight:900}
.check-list span{color:#424b60}
.topic-actions{display:flex;gap:12px;flex-wrap:wrap}
.topic-grid{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:18px}
.topic-card{position:relative;min-height:250px;overflow:hidden;border-radius:var(--radius-lg);padding:25px;background:var(--soft);transition:.3s}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.topic-card:nth-child(2){background:#fff4ed}
.topic-card:nth-child(3){color:#fff;background:linear-gradient(135deg,#29204e,#6845c1)}
.topic-card .num{font-size:12px;color:var(--orange);font-weight:900;letter-spacing:.12em}
.topic-card h3{font-size:22px;margin:13px 0 9px}
.topic-card p{color:var(--muted);max-width:265px}
.topic-card:nth-child(3) p{color:rgba(255,255,255,.72)}
.topic-card img{position:absolute;right:-10px;bottom:-13px;width:150px;height:130px;object-fit:cover;border-radius:18px;opacity:.74}
.topic-card:nth-child(3) img{width:190px;opacity:.46}
.split-band{background:var(--soft)}
.split-band .container{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px;align-items:start}
.split-band h2{font-size:clamp(28px,4vw,42px);margin-top:14px}
.split-band .lead{color:var(--muted);font-size:16px;margin-top:18px}
.feature-list{display:grid;gap:13px}
.feature-line{display:grid;grid-template-columns:56px 1fr;gap:17px;padding:21px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.25s}
.feature-line:hover{border-color:#cfc3ff;box-shadow:var(--shadow-sm);transform:translateX(4px)}
.feature-icon{width:46px;height:46px;display:grid;place-items:center;border-radius:15px;color:var(--purple);font-size:20px;font-weight:900;background:#eee9ff}
.feature-line:nth-child(2) .feature-icon{color:#da7040;background:#fff0e8}
.feature-line:nth-child(3) .feature-icon{color:#129e9a;background:#e7fbfa}
.feature-line h3{font-size:18px;margin-bottom:5px}
.feature-line p{color:var(--muted);font-size:14px}
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.scene{min-height:190px;border-radius:20px;padding:21px;color:#fff;position:relative;overflow:hidden;background:#29204e}
.scene:nth-child(2){background:#f08c5d}.scene:nth-child(3){background:#32bdb9}.scene:nth-child(4){background:#5d45a7}
.scene b{display:block;font-size:25px;margin-bottom:9px}
.scene p{color:rgba(255,255,255,.82);font-size:13px}
.scene span{position:absolute;right:17px;bottom:12px;font-size:42px;opacity:.22;font-weight:900}
.quote-section{background:#191733;color:#fff;position:relative;overflow:hidden}
.quote-section:after{content:"";position:absolute;width:380px;height:380px;border:1px solid rgba(255,255,255,.1);border-radius:50%;right:-100px;top:-170px;box-shadow:0 0 0 45px rgba(255,255,255,.03),0 0 0 90px rgba(255,255,255,.02)}
.quote-grid{position:relative;z-index:1;display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.quote-grid h2{font-size:clamp(29px,4vw,45px);margin-top:13px}
.quote-grid .eyebrow{color:#ffd16d}
.quote-grid>div>p{color:rgba(255,255,255,.68);margin-top:18px}
.quote-box{padding:32px;border-radius:24px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16)}
.quote-box blockquote{margin:0;color:#fff;font-size:21px;line-height:1.65;font-weight:700}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:24px;color:rgba(255,255,255,.62);font-size:13px}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--cyan))}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.process-card{padding:27px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow-sm)}
.process-card .step{display:flex;justify-content:space-between;align-items:center;color:var(--purple);font-weight:900}
.process-card .step b{font-size:34px;color:#ebe5ff}
.process-card h3{font-size:20px;margin:17px 0 9px}
.process-card p{color:var(--muted)}
.media-row{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.media-main,.media-side{position:relative;min-height:300px;overflow:hidden;border-radius:25px;color:#fff}
.media-main img,.media-side img{width:100%;height:100%;min-height:300px;object-fit:cover}
.media-main:after,.media-side:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,13,31,.86),transparent 70%)}
.media-text{position:absolute;z-index:1;left:27px;right:27px;bottom:23px}
.media-text h3{font-size:25px;margin-bottom:8px}
.media-text p{color:rgba(255,255,255,.72);font-size:13px}
.media-side .media-text h3{font-size:20px}
.faq-section{background:#fbfbfd}
.faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px}
.faq-grid h2{font-size:clamp(29px,4vw,42px);margin:13px 0 15px}
.faq-grid .intro{color:var(--muted)}
.faq-list{display:grid;gap:10px}
details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 21px;transition:.2s}
details[open]{border-color:#cfc3ff;box-shadow:var(--shadow-sm)}
summary{cursor:pointer;font-weight:800;list-style:none;padding-right:20px;position:relative}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:0;color:var(--purple);font-size:22px;top:-3px}
details[open] summary:after{content:"−"}
details p{color:var(--muted);margin-top:11px;font-size:14px}
.cta-section{padding:84px 0}
.cta-box{position:relative;overflow:hidden;padding:48px 55px;border-radius:30px;color:#fff;background:linear-gradient(115deg,#4e2bbd,#7448ff 58%,#8a6aff)}
.cta-box:after{content:"";position:absolute;width:230px;height:230px;border:1px solid rgba(255,255,255,.2);border-radius:50%;right:65px;top:-120px;box-shadow:0 0 0 30px rgba(255,255,255,.06),0 0 0 60px rgba(255,255,255,.04)}
.cta-content{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta-box h2{font-size:clamp(28px,4vw,42px);margin:12px 0}
.cta-box p{color:rgba(255,255,255,.76);max-width:610px}
.footer{background:#111827;color:#fff;padding:70px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr;gap:35px;padding-bottom:50px}
.footer-intro{color:#8e99ad;max-width:290px;margin-top:17px;font-size:13px}
.footer h3{font-size:14px;margin-bottom:17px}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-links a{font-size:13px;color:#8e99ad;transition:.2s}
.footer-links a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:end;gap:25px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);color:#8e99ad;font-size:12px}
.footer-bottom p{margin:3px 0}
.footer-bottom a:hover{color:#fff}
.footer-meta{text-align:right;line-height:2}
.bottom-bar{position:fixed;z-index:20;left:50%;bottom:18px;transform:translateX(-50%);width:min(620px,calc(100% - 30px));padding:10px 12px 10px 20px;display:flex;justify-content:space-between;align-items:center;gap:15px;border:1px solid rgba(255,255,255,.14);background:rgba(17,24,39,.9);backdrop-filter:blur(16px);border-radius:999px;box-shadow:0 16px 38px rgba(0,0,0,.22);color:#fff;font-size:13px}
.bottom-bar span{color:#d6d9e5}
.bottom-bar .btn{min-height:39px;padding:0 17px;font-size:13px}
@media(max-width:1024px){
 .nav-links{gap:0;margin-right:8px}
 .nav-links a{padding:8px 8px;font-size:12px}
 .banner-grid,.topic-layout,.quote-grid,.faq-grid{gap:35px}
 .scene-grid{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
 .footer-grid>div:last-child{grid-column:2}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .site-header{padding:12px 0}
 .nav-wrap{padding:9px 13px 9px 15px}
 .menu-toggle{display:block}
 .nav-links{display:none;position:absolute;left:0;right:0;top:65px;margin:0;padding:12px;background:rgba(17,24,39,.96);border:1px solid rgba(255,255,255,.2);border-radius:16px;flex-direction:column;align-items:stretch}
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 14px}
 .nav-actions{display:none}
 .page-banner{padding:125px 0 56px}
 .banner-grid,.topic-layout,.split-band .container,.quote-grid,.faq-grid,.media-row{grid-template-columns:1fr}
 .banner-card{max-width:500px}
 .section{padding:72px 0}
 .section-head{display:block;margin-bottom:28px}
 .section-head p{margin-top:16px}
 .topic-photo,.topic-photo img{min-height:300px;height:300px}
 .topic-grid{grid-template-columns:1fr 1fr}
 .scene-grid{grid-template-columns:1fr 1fr}
 .process-grid{grid-template-columns:1fr}
 .media-side{min-height:250px}
 .media-side img{min-height:250px}
 .cta-content{display:block}
 .cta-box .btn{margin-top:22px}
 .footer-grid{grid-template-columns:1fr 1fr}
 .footer-grid>div:first-child{grid-column:1/-1}
 .footer-grid>div:last-child{grid-column:auto}
 .footer-bottom{display:block}
 .footer-meta{text-align:left;margin-top:14px}
}
@media(max-width:520px){
 .brand{font-size:18px}
 .brand-mark{width:29px;height:29px}
 .page-banner h1{font-size:41px}
 .page-banner p{font-size:15px}
 .banner-stats{grid-template-columns:1fr 1fr}
 .notice-inner{display:block}
 .notice-inner a{display:inline-block;margin-top:5px}
 .topic-grid,.scene-grid{grid-template-columns:1fr}
 .topic-card{min-height:190px}
 .split-band .container{display:block}
 .feature-list{margin-top:30px}
 .quote-box{padding:24px}
 .quote-box blockquote{font-size:18px}
 .cta-box{padding:34px 25px}
 .footer-grid{grid-template-columns:1fr}
 .footer-grid>div:last-child{grid-column:auto}
 .bottom-bar{bottom:10px;padding-left:15px}
 .bottom-bar span{font-size:12px}
}

/* roulang page: category1 */
:root{
      --ink:#151b2e;
      --muted:#697386;
      --soft:#f4f6fa;
      --paper:#fff;
      --line:#e7eaf1;
      --purple:#7448ff;
      --purple-deep:#4e2bbd;
      --orange:#ff915c;
      --cyan:#50d5d0;
      --dark:#111827;
      --shadow:0 20px 60px rgba(23,28,52,.11);
      --shadow-sm:0 10px 28px rgba(23,28,52,.08);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    h1,h2,h3,h4,p{margin:0}
    h1,h2,h3,h4{line-height:1.2;letter-spacing:-.025em}
    ul{padding:0;margin:0;list-style:none}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange);border-radius:5px}
    .section{padding:96px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(30px,4vw,46px);margin-top:12px}
    .section-head p{max-width:540px;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-primary{color:#fff;background:var(--purple);box-shadow:0 12px 22px rgba(116,72,255,.25)}
    .btn-primary:hover{background:var(--purple-deep);transform:translateY(-2px);box-shadow:0 16px 28px rgba(116,72,255,.3)}
    .btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.45)}
    .btn-light:hover{background:#f7f3ff;color:var(--purple);transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
    .btn-outline:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(80,213,208,.7);outline-offset:3px}
    .site-header{position:absolute;z-index:10;top:0;left:0;right:0;padding:20px 0}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:11px 14px 11px 20px;border:1px solid rgba(255,255,255,.24);background:rgba(17,24,39,.42);backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
    .brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--orange),#ffd46b 44%,var(--cyan));position:relative;box-shadow:0 6px 16px rgba(255,145,92,.3)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:7px;left:7px;box-shadow:10px 10px 0 rgba(255,255,255,.72)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:18px}
    .nav-links a{color:rgba(255,255,255,.82);font-size:13px;padding:9px 12px;border-radius:10px;transition:.2s;white-space:nowrap}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.16)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .nav-actions .btn{min-height:39px;padding:0 16px;font-size:13px}
    .menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
    .inner-hero{position:relative;min-height:515px;display:flex;align-items:center;color:#fff;overflow:hidden;background:#17152d url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .inner-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(108deg,rgba(12,16,39,.94),rgba(37,22,78,.68) 58%,rgba(18,21,45,.45))}
    .inner-hero:after{content:"";position:absolute;right:-120px;bottom:-230px;width:570px;height:570px;border:1px solid rgba(255,255,255,.18);border-radius:50%;box-shadow:0 0 0 55px rgba(255,255,255,.035),0 0 0 110px rgba(255,255,255,.025)}
    .inner-content{position:relative;z-index:1;padding:136px 0 78px;max-width:760px}
    .hero-kicker{display:inline-flex;align-items:center;gap:10px;padding:7px 12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);border-radius:999px;font-size:12px;color:#e8e5ff}
    .hero-kicker b{color:#ffd16d}
    .inner-content h1{font-size:clamp(42px,6vw,70px);margin:24px 0 20px}
    .inner-content h1 em{font-style:normal;color:#ffd16d}
    .inner-content p{max-width:670px;color:rgba(255,255,255,.8);font-size:17px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .hero-sticker{position:absolute;right:14%;top:145px;z-index:2;width:122px;height:122px;border-radius:50%;display:grid;place-items:center;text-align:center;background:var(--orange);color:#321b35;font-weight:900;font-size:15px;line-height:1.25;transform:rotate(12deg);box-shadow:0 18px 35px rgba(0,0,0,.2)}
    .hero-sticker:before{content:"";position:absolute;inset:-9px;border:2px dashed #ffd46b;border-radius:50%}
    .hero-note{position:absolute;right:7%;bottom:56px;z-index:2;padding:15px 20px;border-radius:18px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(10px);color:#fff}
    .hero-note strong{display:block;font-size:22px;color:#ffd16d}
    .trust-band{margin-top:-38px;position:relative;z-index:3}
    .trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .trust-item{background:#fff;display:flex;align-items:center;gap:13px;padding:21px}
    .trust-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:#f1edff;color:var(--purple);font-weight:900}
    .trust-item strong{display:block;font-size:14px}
    .trust-item span{font-size:12px;color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
    .intro-grid h2{font-size:clamp(30px,4vw,48px);margin:14px 0 20px}
    .intro-copy{color:var(--muted);font-size:16px}
    .intro-copy p+p{margin-top:17px}
    .image-panel{position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:420px;background:#27204c}
    .image-panel img{width:100%;height:100%;min-height:420px;object-fit:cover;opacity:.88}
    .image-panel:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(21,17,50,.8))}
    .image-caption{position:absolute;z-index:2;left:28px;right:28px;bottom:25px;color:#fff}
    .image-caption strong{display:block;font-size:25px;margin-bottom:5px}
    .image-caption span{color:rgba(255,255,255,.72)}
    .feature-section{background:var(--soft)}
    .feature-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:20px}
    .feature-main,.feature-side{border-radius:var(--radius-lg);padding:30px;min-height:270px}
    .feature-main{color:#fff;background:linear-gradient(135deg,#27204c,#5937a2);position:relative;overflow:hidden}
    .feature-main:after{content:"✦";position:absolute;right:35px;bottom:-35px;color:rgba(255,255,255,.1);font-size:190px}
    .feature-main h3{font-size:29px;max-width:440px;margin:16px 0 13px}
    .feature-main p{max-width:510px;color:rgba(255,255,255,.75)}
    .feature-side{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between}
    .feature-side h3{font-size:23px;margin:13px 0 8px}
    .feature-side p{color:var(--muted)}
    .mini-link{color:var(--purple);font-weight:800;margin-top:20px}
    .benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .benefit-card{padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;transition:.28s}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .benefit-card .num{font-size:13px;color:var(--orange);font-weight:900}
    .benefit-card h3{font-size:22px;margin:18px 0 11px}
    .benefit-card p{color:var(--muted)}
    .pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:#f1edff;color:var(--purple);font-size:12px;font-weight:800}
    .scene-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:26px;align-items:stretch}
    .scene-intro{padding:32px;border-radius:var(--radius-lg);background:#fff2eb}
    .scene-intro h2{font-size:36px;margin:15px 0}
    .scene-intro p{color:#765f59}
    .scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .scene-item{padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:0 8px 20px rgba(23,28,52,.04)}
    .scene-item h3{font-size:19px;margin:14px 0 8px}
    .scene-item p{font-size:14px;color:var(--muted)}
    .scene-mark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:#e5fbfa;color:#198b88;font-weight:900}
    .process-section{background:#17152d;color:#fff}
    .process-section .section-head p{color:rgba(255,255,255,.65)}
    .process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .process-item{position:relative;padding:24px 28px 18px 0;border-top:1px solid rgba(255,255,255,.25)}
    .process-item:not(:last-child){margin-right:25px}
    .process-item:not(:last-child):after{content:"→";position:absolute;right:0;top:13px;color:#ffd16d;font-size:23px}
    .process-item b{color:#ffd16d;font-size:13px}
    .process-item h3{font-size:20px;margin:17px 0 9px}
    .process-item p{font-size:14px;color:rgba(255,255,255,.63)}
    .data-section{padding-top:82px}
    .data-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:center}
    .data-card{padding:34px;border-radius:var(--radius-xl);background:linear-gradient(135deg,#f4f1ff,#fff);border:1px solid #e9e1ff}
    .data-card h2{font-size:35px;margin:14px 0}
    .data-card p{color:var(--muted)}
    .data-list{display:grid;grid-template-columns:repeat(2,1fr);gap:15px;margin-top:26px}
    .data-list div{padding:18px;border-radius:16px;background:#fff;box-shadow:0 8px 20px rgba(23,28,52,.05)}
    .data-list strong{display:block;font-size:28px;color:var(--purple)}
    .data-list span{font-size:13px;color:var(--muted)}
    .quote-card{padding:40px;border-radius:var(--radius-xl);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .quote-mark{font-size:58px;color:var(--orange);line-height:.8}
    .quote-card blockquote{font-size:21px;font-weight:700;line-height:1.6;margin:20px 0}
    .quote-card cite{font-style:normal;color:var(--muted);font-size:14px}
    .faq-section{background:var(--soft)}
    .faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:60px}
    .faq-intro h2{font-size:38px;margin:15px 0}
    .faq-intro p{color:var(--muted)}
    .faq-list details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;padding:0 21px;transition:.2s}
    .faq-list details[open]{border-color:#d5c9ff;box-shadow:var(--shadow-sm)}
    .faq-list summary{cursor:pointer;list-style:none;padding:19px 30px 19px 0;font-weight:800;position:relative}
    .faq-list summary::-webkit-details-marker{display:none}
    .faq-list summary:after{content:"+";position:absolute;right:0;color:var(--purple);font-size:23px;top:14px}
    .faq-list details[open] summary:after{content:"−"}
    .faq-answer{color:var(--muted);font-size:14px;padding:0 0 20px}
    .cta-section{padding:76px 0}
    .cta-box{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:45px 52px;border-radius:var(--radius-xl);background:linear-gradient(120deg,#7448ff,#4e2bbd 68%,#312174);color:#fff}
    .cta-box:after{content:"";position:absolute;right:-30px;top:-90px;width:280px;height:280px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 30px rgba(255,255,255,.05),0 0 0 60px rgba(255,255,255,.04)}
    .cta-box h2{font-size:clamp(27px,4vw,42px);margin-bottom:10px}
    .cta-box p{color:rgba(255,255,255,.72);max-width:610px}
    .cta-box .btn{position:relative;z-index:1;flex:none}
    .footer{background:#111827;color:#fff;padding:65px 0 95px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.11)}
    .footer-intro{max-width:280px;margin-top:18px;color:rgba(255,255,255,.58);font-size:14px}
    .footer h3{font-size:14px;margin:7px 0 17px}
    .footer-links li{margin:9px 0;color:rgba(255,255,255,.6);font-size:13px}
    .footer-links a{transition:.2s}
    .footer-links a:hover{color:#ffd16d}
    .footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:25px;color:rgba(255,255,255,.48);font-size:12px}
    .footer-bottom p{margin-bottom:5px}
    .footer-bottom a:hover{color:#fff}
    .footer-meta{text-align:right;line-height:2}
    .fixed-bar{position:fixed;z-index:20;left:50%;bottom:18px;transform:translateX(-50%);display:flex;align-items:center;gap:18px;padding:10px 12px 10px 20px;border:1px solid rgba(255,255,255,.2);background:rgba(17,24,39,.9);backdrop-filter:blur(15px);border-radius:999px;box-shadow:0 14px 35px rgba(0,0,0,.22);color:#fff;font-size:13px;white-space:nowrap}
    .fixed-bar strong{color:#ffd16d}
    .fixed-bar .btn{min-height:38px;padding:0 17px;font-size:13px}
    @media(max-width:1024px){
      .nav-links{gap:0;margin-right:8px}
      .nav-links a{padding:8px 7px;font-size:12px}
      .hero-sticker{right:7%}
      .intro-grid,.scene-wrap,.data-layout,.faq-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{padding:13px 0}
      .nav-wrap{padding:10px 14px 10px 16px}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;margin:0;padding:12px;background:rgba(17,24,39,.96);border:1px solid rgba(255,255,255,.18);border-radius:16px;flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-actions{display:none}
      .menu-toggle{display:block}
      .inner-hero{min-height:590px}
      .inner-content{padding-top:145px}
      .hero-sticker{top:112px;right:24px;transform:scale(.78) rotate(12deg)}
      .hero-note{right:22px;bottom:42px}
      .trust-row{grid-template-columns:repeat(2,1fr)}
      .section{padding:70px 0}
      .section-head,.intro-grid,.feature-layout,.scene-wrap,.data-layout,.faq-grid{display:block}
      .section-head p{margin-top:16px}
      .intro-grid .image-panel{margin-top:30px}
      .feature-side{margin-top:18px}
      .benefit-grid{grid-template-columns:1fr}
      .scene-list{margin-top:20px}
      .process-line{grid-template-columns:repeat(2,1fr);gap:18px}
      .process-item:not(:last-child){margin-right:0}
      .process-item:not(:last-child):after{display:none}
      .data-card,.quote-card{margin-top:22px}
      .faq-intro{margin-bottom:28px}
      .cta-box{display:block;padding:34px 27px}
      .cta-box .btn{margin-top:24px}
      .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .footer-bottom{display:block}
      .footer-meta{text-align:left;margin-top:15px}
      .fixed-bar{bottom:10px;max-width:calc(100% - 20px);width:max-content;font-size:12px}
    }
    @media(max-width:520px){
      .brand{font-size:18px}
      .inner-content h1{font-size:42px}
      .inner-content p{font-size:15px}
      .trust-item{padding:15px 12px}
      .trust-icon{width:30px;height:30px;border-radius:9px;font-size:12px}
      .trust-item strong{font-size:12px}
      .trust-item span{font-size:11px}
      .scene-list,.data-list{grid-template-columns:1fr}
      .process-line{display:block}
      .process-item{padding-right:0;margin-bottom:22px!important}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
      .fixed-bar{gap:8px;padding-left:12px}
      .fixed-bar strong{display:none}
    }

/* roulang page: category4 */
:root{
      --ink:#151b2e;
      --muted:#697386;
      --soft:#f4f6fa;
      --paper:#ffffff;
      --line:#e7eaf1;
      --purple:#7448ff;
      --purple-deep:#4e2bbd;
      --orange:#ff915c;
      --cyan:#50d5d0;
      --dark:#111827;
      --shadow:0 20px 60px rgba(23,28,52,.11);
      --shadow-sm:0 10px 28px rgba(23,28,52,.08);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    h1,h2,h3,h4,p{margin:0}
    h1,h2,h3,h4{line-height:1.25;letter-spacing:-.025em}
    h2{font-size:clamp(30px,4vw,48px)}
    h3{font-size:21px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input,textarea{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .section{padding:94px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head p{max-width:525px;color:var(--muted)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:900;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange);border-radius:5px}
    .eyebrow.light{color:#ffd16d}
    .eyebrow.light:before{background:var(--cyan)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-primary{color:#fff;background:var(--purple);box-shadow:0 12px 22px rgba(116,72,255,.25)}
    .btn-primary:hover{background:var(--purple-deep);transform:translateY(-2px);box-shadow:0 16px 28px rgba(116,72,255,.3)}
    .btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.45)}
    .btn-light:hover{background:#f7f3ff;color:var(--purple);transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
    .btn-outline:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
    .btn-cyan{background:var(--cyan);color:#112438;box-shadow:0 12px 22px rgba(80,213,208,.2)}
    .btn-cyan:hover{transform:translateY(-2px);background:#75e5df}
    .btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(80,213,208,.75);outline-offset:3px}
    .site-header{position:absolute;z-index:10;top:0;left:0;right:0;padding:20px 0}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:11px 14px 11px 20px;border:1px solid rgba(255,255,255,.24);background:rgba(17,24,39,.42);backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
    .brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--orange),#ffd46b 44%,var(--cyan));position:relative;box-shadow:0 6px 16px rgba(255,145,92,.3)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:7px;left:7px;box-shadow:10px 10px 0 rgba(255,255,255,.72)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:18px}
    .nav-links a{color:rgba(255,255,255,.82);font-size:13px;padding:9px 12px;border-radius:10px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.16)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .nav-actions .btn{min-height:39px;padding:0 16px;font-size:13px}
    .menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
    .banner{position:relative;min-height:570px;color:#fff;display:flex;align-items:center;overflow:hidden;background:#17152d url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .banner:before{content:"";position:absolute;inset:0;background:linear-gradient(108deg,rgba(12,16,39,.93),rgba(48,25,97,.72) 58%,rgba(18,21,45,.42))}
    .banner:after{content:"";position:absolute;right:-130px;bottom:-230px;width:570px;height:570px;border:1px solid rgba(255,255,255,.14);border-radius:50%;box-shadow:0 0 0 48px rgba(255,255,255,.035),0 0 0 100px rgba(255,255,255,.025)}
    .banner-content{position:relative;z-index:1;padding:138px 0 88px;max-width:760px}
    .banner h1{font-size:clamp(42px,6vw,72px);margin:22px 0 18px}
    .banner h1 em{font-style:normal;color:#ffd16d}
    .banner-copy{max-width:670px;color:rgba(255,255,255,.78);font-size:17px}
    .banner-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 25px}
    .countdown{display:inline-flex;align-items:center;gap:13px;padding:9px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);font-size:13px;color:#f7f6ff}
    .countdown b{color:#ffd16d;font-size:18px;letter-spacing:.08em}
    .banner-side{position:absolute;right:7%;bottom:88px;z-index:1;width:255px;padding:20px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);backdrop-filter:blur(15px);border-radius:22px}
    .banner-side strong{display:block;font-size:30px;color:#fff}
    .banner-side span{color:rgba(255,255,255,.65);font-size:12px}
    .strip{background:#111827;color:#fff}
    .strip-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 0;font-size:13px}
    .strip-left{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.72)}
    .strip-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 5px rgba(80,213,208,.15)}
    .badge{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border-radius:999px;background:#f0ecff;color:var(--purple);font-size:12px;font-weight:800}
    .badge.orange{background:#fff0e9;color:#d76735}
    .trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .trust-item{background:#fff;display:flex;align-items:center;gap:13px;padding:23px}
    .trust-icon{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:#f0ecff;color:var(--purple);font-weight:900}
    .trust-item strong{display:block;font-size:14px}
    .trust-item span{font-size:12px;color:var(--muted)}
    .intro-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}
    .intro-image{position:relative}
    .intro-image img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius-xl);box-shadow:var(--shadow)}
    .image-note{position:absolute;left:22px;bottom:20px;right:22px;padding:15px 17px;border-radius:15px;background:rgba(17,24,39,.76);backdrop-filter:blur(12px);color:#fff;font-size:13px}
    .intro-copy h2{margin:14px 0 19px}
    .intro-copy>p{color:var(--muted);font-size:16px}
    .check-list{display:grid;gap:12px;margin:24px 0 28px;padding:0;list-style:none}
    .check-list li{display:flex;gap:11px;align-items:flex-start}
    .check-list i{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--cyan);color:#102b35;font-style:normal;text-align:center;line-height:22px;font-size:12px;font-weight:900;margin-top:3px}
    .content-board{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}
    .board-main{min-height:360px;padding:32px;border-radius:var(--radius-xl);color:#fff;background:linear-gradient(135deg,#28204f,#5834a4);position:relative;overflow:hidden}
    .board-main:after{content:"";position:absolute;width:300px;height:300px;right:-90px;bottom:-120px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 35px rgba(255,255,255,.04),0 0 0 70px rgba(255,255,255,.03)}
    .board-main h3{font-size:31px;max-width:450px;margin:15px 0}
    .board-main p{max-width:470px;color:rgba(255,255,255,.72)}
    .board-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}
    .board-tags span{padding:7px 11px;border:1px solid rgba(255,255,255,.2);border-radius:999px;color:#f5f0ff;font-size:12px}
    .board-side{display:grid;gap:18px}
    .mini-panel{padding:25px;border-radius:var(--radius-lg);background:var(--soft);border:1px solid var(--line)}
    .mini-panel h3{margin:12px 0 8px}
    .mini-panel p{color:var(--muted);font-size:14px}
    .mini-panel.dark{background:#171d31;color:#fff;border-color:#171d31}
    .mini-panel.dark p{color:rgba(255,255,255,.66)}
    .content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .content-card{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;transition:.3s ease}
    .content-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .content-card img{height:180px;width:100%;object-fit:cover}
    .content-card-body{padding:22px}
    .content-card h3{margin:13px 0 9px}
    .content-card p{font-size:14px;color:var(--muted)}
    .card-link{display:inline-flex;margin-top:17px;color:var(--purple);font-weight:800;font-size:13px;align-items:center;gap:7px}
    .card-link:hover{gap:11px;color:var(--purple-deep)}
    .dark-section{background:#111827;color:#fff}
    .dark-section .section-head p{color:rgba(255,255,255,.63)}
    .principle-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .principle{display:flex;gap:18px;padding:24px;border:1px solid rgba(255,255,255,.13);border-radius:var(--radius-lg);background:rgba(255,255,255,.055)}
    .principle-num{width:44px;height:44px;display:grid;place-items:center;flex:0 0 44px;border-radius:14px;background:linear-gradient(135deg,var(--orange),#ffd16d);color:#38204b;font-weight:900}
    .principle h3{margin-bottom:8px}
    .principle p{font-size:14px;color:rgba(255,255,255,.64)}
    .scenario-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:58px;align-items:start}
    .scenario-wrap h2{margin:14px 0 17px}
    .scenario-wrap>div>p{color:var(--muted)}
    .scenario-list{display:grid;gap:12px}
    .scenario-item{display:grid;grid-template-columns:44px 1fr auto;align-items:center;gap:15px;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:#fff;transition:.25s}
    .scenario-item:hover{border-color:#cfc4ff;box-shadow:var(--shadow-sm);transform:translateX(4px)}
    .scenario-item b{width:40px;height:40px;display:grid;place-items:center;border-radius:13px;background:#f0ecff;color:var(--purple)}
    .scenario-item h3{font-size:17px;margin-bottom:3px}
    .scenario-item p{font-size:13px;color:var(--muted)}
    .scenario-item span{font-size:12px;color:var(--orange);font-weight:800}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--line);border-radius:var(--radius-xl);overflow:hidden}
    .step{padding:28px 22px;background:var(--soft);border-right:1px solid var(--line);position:relative}
    .step:last-child{border-right:0}
    .step-number{color:var(--purple);font-weight:900;font-size:13px}
    .step h3{margin:18px 0 9px}
    .step p{font-size:13px;color:var(--muted)}
    .quote-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:20px}
    .quote-feature{padding:35px;border-radius:var(--radius-xl);background:#fff3ed;border:1px solid #ffe0d2}
    .quote-feature strong{display:block;font-size:52px;line-height:1;color:var(--orange);margin-bottom:13px}
    .quote-feature p{font-size:18px;line-height:1.7}
    .quote-feature span{display:block;margin-top:25px;color:var(--muted);font-size:13px}
    .quote-list{display:grid;gap:14px}
    .quote{padding:23px 25px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .quote p{font-size:14px;color:var(--muted)}
    .quote b{display:block;margin-top:12px;color:var(--ink);font-size:13px}
    .faq-grid{display:grid;grid-template-columns:.75fr 1.25fr;gap:65px;align-items:start}
    .faq-grid h2{margin:14px 0 16px}
    .faq-grid>div>p{color:var(--muted)}
    .faq-list{display:grid;gap:11px}
    details{border:1px solid var(--line);border-radius:16px;background:#fff;transition:.2s}
    details[open]{border-color:#cfc4ff;box-shadow:var(--shadow-sm)}
    summary{list-style:none;cursor:pointer;padding:19px 22px;font-weight:800;display:flex;justify-content:space-between;gap:15px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--purple);font-size:21px;line-height:1}
    details[open] summary:after{content:"−"}
    details p{padding:0 22px 20px;color:var(--muted);font-size:14px}
    .cta{position:relative;overflow:hidden;background:linear-gradient(115deg,#402582,#7448ff);color:#fff;border-radius:var(--radius-xl);padding:54px 60px}
    .cta:after{content:"";position:absolute;right:-70px;top:-150px;width:410px;height:410px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 38px rgba(255,255,255,.05),0 0 0 75px rgba(255,255,255,.035)}
    .cta-inner{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:30px}
    .cta h2{max-width:590px;margin:12px 0 10px}
    .cta p{max-width:560px;color:rgba(255,255,255,.72)}
    .cta-actions{display:flex;gap:10px;flex-wrap:wrap}
    .footer{padding:70px 0 28px;background:#0d1221;color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
    .footer-intro{max-width:270px;margin-top:18px;color:rgba(255,255,255,.55);font-size:13px}
    .footer h3{font-size:14px;margin:8px 0 18px}
    .footer-links{list-style:none;margin:0;padding:0;display:grid;gap:9px}
    .footer-links a{font-size:13px;color:rgba(255,255,255,.57);transition:.2s}
    .footer-links a:hover{color:#ffd16d}
    .footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:23px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.46)}
    .footer-bottom p{margin:3px 0}
    .footer-bottom a:hover{color:#fff}
    .footer-meta{text-align:right;display:grid;gap:6px}
    .fixed-bar{position:fixed;z-index:20;right:22px;bottom:22px;display:flex;align-items:center;gap:12px;padding:9px 10px 9px 17px;background:rgba(17,24,39,.92);color:#fff;border:1px solid rgba(255,255,255,.14);border-radius:999px;box-shadow:0 16px 35px rgba(0,0,0,.2);backdrop-filter:blur(14px);font-size:13px}
    .fixed-bar .btn{min-height:40px;padding:0 16px;font-size:13px}
    .muted-section{background:var(--soft)}
    @media(max-width:1024px){
      .nav-links a{padding-left:8px;padding-right:8px;font-size:12px}
      .nav-actions{display:none}
      .banner-side{right:4%;width:220px}
      .intro-grid,.scenario-wrap,.faq-grid{gap:35px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .section{padding:70px 0}
      .site-header{padding:14px 0}
      .nav-wrap{padding:10px 14px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:67px;left:16px;right:16px;margin:0;padding:10px;background:rgba(17,24,39,.96);border:1px solid rgba(255,255,255,.15);border-radius:16px;box-shadow:var(--shadow)}
      .nav-links.open{display:grid}
      .nav-links a{padding:12px 13px}
      .banner{min-height:670px}
      .banner-content{padding-top:150px}
      .banner-side{position:relative;right:auto;bottom:auto;margin:0 auto 55px;width:min(100% - 32px,390px)}
      .banner{display:block}
      .banner-content{max-width:none}
      .strip-inner{align-items:flex-start;flex-direction:column;gap:8px}
      .trust-row{grid-template-columns:1fr 1fr}
      .intro-grid,.content-board,.scenario-wrap,.quote-grid,.faq-grid{grid-template-columns:1fr}
      .intro-image img{height:300px}
      .content-grid{grid-template-columns:1fr 1fr}
      .steps{grid-template-columns:1fr 1fr}
      .step:nth-child(2){border-right:0}
      .step:nth-child(-n+2){border-bottom:1px solid var(--line)}
      .cta{padding:40px 28px}
      .cta-inner{align-items:flex-start;flex-direction:column}
      .footer-grid{grid-template-columns:1fr 1fr}
      .footer-bottom{flex-direction:column}
      .footer-meta{text-align:left}
    }
    @media(max-width:520px){
      h2{font-size:32px}
      .banner h1{font-size:43px}
      .banner-copy{font-size:15px}
      .banner-actions .btn{width:100%}
      .countdown{font-size:12px}
      .trust-row,.content-grid,.principle-grid,.steps{grid-template-columns:1fr}
      .trust-item{padding:18px}
      .principle{padding:20px}
      .step{border-right:0;border-bottom:1px solid var(--line)}
      .step:last-child{border-bottom:0}
      .step:nth-child(2){border-bottom:1px solid var(--line)}
      .scenario-item{grid-template-columns:38px 1fr}
      .scenario-item span{grid-column:2}
      .cta-actions,.cta-actions .btn{width:100%}
      .footer-grid{grid-template-columns:1fr 1fr;gap:25px}
      .footer-grid>div:first-child{grid-column:1/-1}
      .fixed-bar{left:12px;right:12px;bottom:12px;justify-content:space-between}
    }

/* roulang page: category2 */
:root{
 --ink:#151b2e;--muted:#697386;--soft:#f4f6fa;--paper:#fff;--line:#e7eaf1;
 --purple:#7448ff;--purple-deep:#4e2bbd;--orange:#ff915c;--cyan:#50d5d0;
 --dark:#111827;--shadow:0 20px 60px rgba(23,28,52,.11);--shadow-sm:0 10px 28px rgba(23,28,52,.08);
 --radius-xl:30px;--radius-lg:22px;--radius-md:16px;--container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{border:0;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
h2{font-size:clamp(30px,4vw,48px);line-height:1.2;letter-spacing:-.04em}
h3{line-height:1.3}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
.section{padding:96px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange);border-radius:5px}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head p{max-width:530px;color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.25s ease;border:1px solid transparent}
.btn-primary{color:#fff;background:var(--purple);box-shadow:0 12px 22px rgba(116,72,255,.25)}
.btn-primary:hover{background:var(--purple-deep);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{color:var(--purple);transform:translateY(-2px)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(80,213,208,.7);outline-offset:3px}
.site-header{position:absolute;z-index:10;top:0;left:0;right:0;padding:20px 0}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:11px 14px 11px 20px;border:1px solid rgba(255,255,255,.24);background:rgba(17,24,39,.42);backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--orange),#ffd46b 44%,var(--cyan));position:relative;box-shadow:0 6px 16px rgba(255,145,92,.3)}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:7px;left:7px;box-shadow:10px 10px 0 rgba(255,255,255,.72)}
.nav-links{display:flex;align-items:center;gap:3px;margin-left:auto;margin-right:18px}
.nav-links a{color:rgba(255,255,255,.82);font-size:13px;padding:9px 11px;border-radius:10px;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.16)}
.nav-actions{display:flex;align-items:center;gap:9px}
.nav-actions .btn{min-height:39px;padding:0 16px;font-size:13px}
.menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
.hero{min-height:650px;color:#fff;position:relative;display:flex;align-items:center;overflow:hidden;background:#17152d url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(108deg,rgba(12,16,39,.92),rgba(37,22,78,.68) 56%,rgba(18,21,45,.4))}
.hero:after{content:"";position:absolute;right:-170px;top:90px;width:520px;height:520px;border:1px solid rgba(255,255,255,.16);border-radius:50%;box-shadow:0 0 0 48px rgba(255,255,255,.035),0 0 0 96px rgba(255,255,255,.025)}
.hero-content{position:relative;z-index:2;padding:138px 0 70px;max-width:700px}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;padding:7px 12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);border-radius:999px;font-size:12px;color:#e8e5ff}
.hero-kicker b{color:#ffd16d}
.hero h1{font-size:clamp(42px,6.5vw,72px);line-height:1.1;margin:24px 0 20px;letter-spacing:-.06em}
.hero h1 em{font-style:normal;color:#ffd16d}
.hero-intro{max-width:660px;color:rgba(255,255,255,.8);font-size:17px;line-height:1.9}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin:30px 0 34px}
.hero-metrics{display:flex;gap:28px;flex-wrap:wrap}
.hero-metrics div{padding-left:15px;border-left:2px solid rgba(255,255,255,.34)}
.hero-metrics strong{display:block;font-size:24px;color:#fff}
.hero-metrics span{font-size:12px;color:rgba(255,255,255,.62)}
.countdown-panel{position:absolute;z-index:2;right:max(24px,calc((100% - 1180px)/2));bottom:82px;width:310px;padding:24px;border-radius:24px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(16px);box-shadow:var(--shadow)}
.countdown-panel small{color:#d9d5ff;font-weight:800}
.countdown-panel h3{font-size:22px;margin:9px 0 17px}
.countdown{display:flex;gap:8px;margin-bottom:18px}
.time-box{flex:1;padding:9px 4px;text-align:center;border-radius:12px;background:rgba(7,10,28,.35)}
.time-box strong{display:block;font-size:24px;color:#ffd16d}
.time-box span{font-size:11px;color:rgba(255,255,255,.7)}
.remind-form{display:flex;gap:8px}
.remind-form input{min-width:0;flex:1;border:1px solid rgba(255,255,255,.25);border-radius:10px;background:rgba(255,255,255,.1);color:#fff;padding:9px 10px}
.remind-form input::placeholder{color:rgba(255,255,255,.6)}
.remind-form button{padding:0 12px;border-radius:10px;background:var(--orange);color:#fff;font-weight:800}
.hero-strip{position:absolute;bottom:0;left:0;right:0;z-index:2;background:rgba(8,12,29,.55);border-top:1px solid rgba(255,255,255,.14)}
.hero-strip-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:13px 0;color:rgba(255,255,255,.75);font-size:13px}
.dot-list{display:flex;gap:7px;align-items:center}.dot-list i{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.35}.dot-list i:first-child{width:23px;border-radius:8px;background:#ffd16d;opacity:1}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
.trust-item{background:#fff;display:flex;align-items:center;gap:13px;padding:22px}.trust-item strong{display:block;font-size:14px}.trust-item span{font-size:12px;color:var(--muted)}
.intro-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:70px;align-items:center}
.intro-copy p{color:var(--muted);font-size:17px;margin-top:22px}
.intro-image{position:relative}.intro-image img{width:100%;height:390px;object-fit:cover;border-radius:var(--radius-xl);box-shadow:var(--shadow)}
.float-badge{position:absolute;right:-20px;bottom:25px;background:#fff;border-radius:18px;padding:16px 20px;box-shadow:var(--shadow-sm)}.float-badge strong{display:block;color:var(--purple);font-size:24px}.float-badge span{color:var(--muted);font-size:12px}
.activity-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:20px}.activity-main,.activity-side{border-radius:var(--radius-lg);overflow:hidden;position:relative;min-height:330px}.activity-main img{width:100%;height:100%;object-fit:cover}.activity-main:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,17,38,.87),transparent 65%)}.activity-copy{position:absolute;z-index:1;left:30px;right:30px;bottom:27px;color:#fff}.activity-copy h3{font-size:28px;margin:10px 0}.activity-copy p{color:rgba(255,255,255,.74)}
.activity-side{background:var(--soft);padding:30px}.activity-side h3{font-size:24px;margin:12px 0 20px}.check-list{list-style:none;margin:0;padding:0}.check-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}.check-list li:last-child{border-bottom:0}.check-list b{color:var(--purple)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.topic-card{padding:25px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);transition:.25s}.topic-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.topic-card img{height:150px;width:100%;object-fit:cover;border-radius:14px;margin-bottom:19px}.topic-card h3{font-size:19px;margin-bottom:9px}.topic-card p{color:var(--muted);font-size:14px}.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:#eee9ff;color:var(--purple);font-size:12px;font-weight:800}
.schedule{background:var(--soft)}.schedule-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:60px}.schedule-note{color:var(--muted);margin-top:18px}.timeline{border-left:2px solid #dcd5ff;padding-left:28px}.timeline-item{position:relative;padding:0 0 28px}.timeline-item:before{content:"";position:absolute;left:-36px;top:8px;width:13px;height:13px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 5px #fff}.timeline-item time{font-size:12px;color:var(--purple);font-weight:800}.timeline-item h3{font-size:19px;margin:5px 0}.timeline-item p{color:var(--muted)}
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.benefit{padding:23px;border-radius:18px;background:linear-gradient(145deg,#fff,#f7f3ff);border:1px solid var(--line)}.benefit-icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:#eee9ff;color:var(--purple);font-weight:900}.benefit h3{font-size:17px;margin:17px 0 7px}.benefit p{font-size:13px;color:var(--muted)}
.quote-section{background:#241b48;color:#fff}.quote-layout{display:grid;grid-template-columns:1fr 1.4fr;gap:70px;align-items:center}.quote-section h2{max-width:430px}.quote-section p{color:rgba(255,255,255,.7)}.quote-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.quote{padding:24px;border:1px solid rgba(255,255,255,.15);border-radius:18px;background:rgba(255,255,255,.07)}.quote p{font-size:15px;color:rgba(255,255,255,.82)}.quote strong{display:block;margin-top:18px;color:#ffd16d;font-size:13px}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.faq-intro p{color:var(--muted);margin-top:18px}.faq-item{border-bottom:1px solid var(--line);padding:19px 0}.faq-item summary{cursor:pointer;font-weight:800;list-style:none;display:flex;justify-content:space-between;gap:20px}.faq-item summary:after{content:"＋";color:var(--purple);font-size:20px}.faq-item[open] summary:after{content:"－"}.faq-item p{color:var(--muted);padding:12px 28px 0 0}
.cta{padding:38px 42px;border-radius:var(--radius-xl);background:linear-gradient(120deg,#7448ff,#4e2bbd 65%,#30205f);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;box-shadow:var(--shadow)}.cta h2{font-size:32px}.cta p{color:rgba(255,255,255,.72);margin-top:8px}
.footer{background:#101426;color:#fff;padding:70px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}.footer-intro{max-width:300px;color:rgba(255,255,255,.58);font-size:13px;margin-top:18px}.footer h3{font-size:14px;margin-bottom:16px}.footer-links{list-style:none;padding:0;margin:0}.footer-links li{margin:9px 0}.footer-links a{color:rgba(255,255,255,.58);font-size:13px;transition:.2s}.footer-links a:hover{color:#ffd16d}.footer-bottom{display:flex;justify-content:space-between;gap:25px;margin-top:55px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.48);font-size:12px}.footer-bottom p{margin:4px 0}.footer-bottom a:hover{color:#fff}.footer-meta{text-align:right;line-height:2}
@media(max-width:1024px){.nav-links a{padding:8px 7px;font-size:12px}.nav-actions{display:none}.countdown-panel{right:24px;width:280px}.hero-content{max-width:600px}.hero-intro{max-width:570px}.benefit-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.container{width:min(var(--container),calc(100% - 32px))}.site-header{padding:14px 0}.nav-wrap{padding:10px 14px 10px 16px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:66px;left:0;right:0;margin:0;padding:10px;background:rgba(17,24,39,.96);border-radius:16px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:11px 14px}.hero{min-height:790px;align-items:flex-start}.hero-content{padding-top:125px}.countdown-panel{left:16px;right:16px;bottom:74px;width:auto}.hero-strip-inner{font-size:12px}.hero-strip-inner span:first-child{display:none}.section{padding:70px 0}.section-head,.intro-grid,.activity-grid,.schedule-layout,.quote-layout,.faq-layout{display:block}.section-head{margin-bottom:27px}.intro-image{margin-top:30px}.intro-image img{height:300px}.activity-side{margin-top:18px;min-height:0}.topic-grid{grid-template-columns:1fr 1fr}.quote-list{margin-top:30px}.faq-list{margin-top:28px}.cta{display:block;padding:30px 25px}.cta .btn{margin-top:22px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{display:block}.footer-meta{text-align:left;margin-top:16px}}
@media(max-width:520px){.hero h1{font-size:43px}.hero-intro{font-size:15px}.hero-metrics{gap:15px}.hero-metrics strong{font-size:20px}.hero-buttons .btn{width:100%}.trust-row{grid-template-columns:1fr 1fr}.trust-item{padding:15px 12px;display:block}.trust-item strong{margin-top:5px}.topic-grid,.benefit-grid,.quote-list{grid-template-columns:1fr}.section-head h2{font-size:34px}.footer-grid{grid-template-columns:1fr 1fr;gap:26px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{margin-top:35px}.remind-form{display:block}.remind-form input,.remind-form button{width:100%;min-height:42px}.remind-form button{margin-top:8px}}

/* roulang page: category5 */
:root{
      --ink:#151b2e;
      --muted:#697386;
      --soft:#f4f6fa;
      --paper:#fff;
      --line:#e7eaf1;
      --purple:#7448ff;
      --purple-deep:#4e2bbd;
      --orange:#ff915c;
      --cyan:#50d5d0;
      --dark:#111827;
      --shadow:0 20px 60px rgba(23,28,52,.11);
      --shadow-sm:0 10px 28px rgba(23,28,52,.08);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --container:1180px
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,h4,p{margin:0}
    ul{list-style:none;padding:0;margin:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .section{padding:94px 0}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange);border-radius:5px}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:40px}
    .section-head h2{font-size:clamp(28px,4vw,44px);line-height:1.25;margin-top:12px;letter-spacing:-.03em}
    .section-head p{max-width:535px;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-primary{color:#fff;background:var(--purple);box-shadow:0 12px 22px rgba(116,72,255,.25)}
    .btn-primary:hover{background:var(--purple-deep);transform:translateY(-2px);box-shadow:0 16px 28px rgba(116,72,255,.3)}
    .btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.45)}
    .btn-light:hover{background:#f7f3ff;color:var(--purple);transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
    .btn-outline:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(80,213,208,.7);outline-offset:3px}
    .site-header{position:absolute;z-index:10;top:0;left:0;right:0;padding:20px 0}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:11px 14px 11px 20px;border:1px solid rgba(255,255,255,.24);background:rgba(17,24,39,.42);backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
    .brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--orange),#ffd46b 44%,var(--cyan));position:relative;box-shadow:0 6px 16px rgba(255,145,92,.3)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:7px;left:7px;box-shadow:10px 10px 0 rgba(255,255,255,.72)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:18px}
    .nav-links a{color:rgba(255,255,255,.82);font-size:13px;padding:9px 12px;border-radius:10px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.16)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .nav-actions .btn{min-height:39px;padding:0 16px;font-size:13px}
    .menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
    .hero-inner{min-height:560px;position:relative;display:flex;align-items:center;overflow:hidden;color:#fff;background:#17152d url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero-inner:before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(12,16,39,.93),rgba(53,30,100,.72) 58%,rgba(16,24,45,.42))}
    .hero-inner:after{content:"";position:absolute;right:8%;bottom:-210px;width:520px;height:520px;border:1px solid rgba(255,255,255,.15);border-radius:50%;box-shadow:0 0 0 52px rgba(255,255,255,.035),0 0 0 104px rgba(255,255,255,.025)}
    .hero-content{position:relative;z-index:1;padding:150px 0 70px;max-width:760px}
    .hero-kicker{display:inline-flex;align-items:center;gap:10px;padding:7px 13px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);border-radius:999px;font-size:12px;color:#e8e5ff}
    .hero-kicker b{color:#ffd16d}
    .hero h1{font-size:clamp(40px,6vw,70px);line-height:1.16;margin:24px 0 20px;letter-spacing:-.04em}
    .hero h1 em{font-style:normal;color:#ffd16d}
    .hero-intro{max-width:680px;color:rgba(255,255,255,.8);font-size:17px;line-height:1.9}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:29px}
    .hero-strip{position:absolute;bottom:0;left:0;right:0;z-index:2;background:rgba(8,12,29,.58);border-top:1px solid rgba(255,255,255,.14)}
    .hero-strip-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:13px 0;color:rgba(255,255,255,.75);font-size:13px}
    .dot-list{display:flex;gap:7px;align-items:center}
    .dot-list i{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.35}
    .dot-list i:first-child{width:23px;border-radius:8px;background:#ffd16d;opacity:1}
    .intro-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
    .intro-layout h2{font-size:clamp(30px,4vw,48px);line-height:1.25;margin:14px 0 20px}
    .intro-layout p{color:var(--muted);font-size:16px}
    .intro-image{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow)}
    .intro-image img{width:100%;height:390px;object-fit:cover}
    .image-note{position:absolute;left:22px;bottom:20px;padding:12px 16px;border-radius:14px;background:rgba(17,24,39,.78);backdrop-filter:blur(12px);color:#fff;font-size:13px}
    .benefit-grid{display:grid;grid-template-columns:1.12fr .88fr .88fr;gap:18px}
    .benefit-card{min-height:240px;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;background:#fff;transition:.3s}
    .benefit-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
    .benefit-card.featured{background:linear-gradient(135deg,#27204c,#5937a2);color:#fff;border-color:transparent}
    .benefit-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:#f1edff;color:var(--purple);font-size:21px;font-weight:900}
    .featured .benefit-icon{background:rgba(255,255,255,.14);color:#ffd16d}
    .benefit-card h3{font-size:22px;margin:20px 0 10px}
    .benefit-card p{color:var(--muted)}
    .featured p{color:rgba(255,255,255,.74)}
    .badge{display:inline-flex;align-items:center;padding:5px 10px;border-radius:999px;background:#fff3e9;color:#c9642e;font-size:12px;font-weight:800}
    .featured .badge{background:rgba(255,255,255,.13);color:#ffd16d}
    .points-section{background:var(--soft)}
    .points-board{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
    .points-card{padding:32px;border-radius:var(--radius-xl);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
    .points-card h3{font-size:24px;margin-bottom:20px}
    .progress-line{height:11px;background:#eceef5;border-radius:20px;overflow:hidden;margin:14px 0 10px}
    .progress-line span{display:block;width:72%;height:100%;border-radius:20px;background:linear-gradient(90deg,var(--purple),var(--cyan))}
    .points-meta{display:flex;justify-content:space-between;color:var(--muted);font-size:13px}
    .tier-list{display:grid;gap:12px}
    .tier-item{display:flex;justify-content:space-between;align-items:center;padding:15px 17px;border:1px solid var(--line);border-radius:14px}
    .tier-item strong{font-size:15px}
    .tier-item span{color:var(--purple);font-weight:800;font-size:13px}
    .scene-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:22px}
    .scene-photo{min-height:390px;border-radius:var(--radius-xl);overflow:hidden;position:relative;background:#261c4f}
    .scene-photo img{width:100%;height:100%;min-height:390px;object-fit:cover;opacity:.84}
    .scene-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(13,17,38,.8),transparent 60%)}
    .scene-caption{position:absolute;z-index:1;left:30px;right:30px;bottom:26px;color:#fff}
    .scene-caption h3{font-size:28px;margin:12px 0 5px}
    .scene-caption p{color:rgba(255,255,255,.75)}
    .scene-list{display:grid;gap:16px}
    .scene-list article{padding:23px;border-radius:var(--radius-lg);background:#f7f5ff;border:1px solid #e9e2ff}
    .scene-list article:nth-child(2){background:#fff6ef;border-color:#ffe7d8}
    .scene-list article:nth-child(3){background:#eefbf9;border-color:#d9f3ef}
    .scene-list b{color:var(--purple);font-size:12px;letter-spacing:.08em}
    .scene-list h3{margin:8px 0 7px;font-size:19px}
    .scene-list p{color:var(--muted);font-size:14px}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
    .step{position:relative;padding:25px 22px;border-top:3px solid var(--purple);border-radius:0 0 18px 18px;background:#fff;box-shadow:var(--shadow-sm)}
    .step:nth-child(2){border-color:var(--orange)}
    .step:nth-child(3){border-color:var(--cyan)}
    .step:nth-child(4){border-color:#9a7cff}
    .step-no{font-size:34px;color:#ded8ff;font-weight:900;line-height:1}
    .step h3{font-size:18px;margin:18px 0 8px}
    .step p{font-size:13px;color:var(--muted)}
    .quote-band{background:linear-gradient(120deg,#231b49,#4d2e9b);color:#fff}
    .quote-content{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .quote-content h2{font-size:clamp(28px,4vw,43px);line-height:1.3}
    .quote-content p{color:rgba(255,255,255,.72);font-size:16px;margin-top:16px}
    .quote-box{padding:30px;border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);background:rgba(255,255,255,.09)}
    .quote-box p{font-size:18px;color:#fff;margin:0 0 20px}
    .quote-person{display:flex;align-items:center;gap:12px;color:#ffd16d;font-size:13px}
    .avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--orange),var(--cyan));color:#fff;font-weight:900}
    .faq-wrap{display:grid;grid-template-columns:.72fr 1.28fr;gap:50px}
    .faq-wrap h2{font-size:clamp(29px,4vw,43px);line-height:1.28;margin-top:14px}
    .faq-wrap>div>p{color:var(--muted);margin-top:16px}
    .faq-list{display:grid;gap:12px}
    details{border:1px solid var(--line);border-radius:16px;background:#fff;padding:0 20px;transition:.2s}
    details[open]{box-shadow:var(--shadow-sm);border-color:#dcd4ff}
    summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:800;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";color:var(--purple);font-size:22px;font-weight:400;line-height:1}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);padding:0 0 18px;font-size:14px}
    .cta{padding:70px 0}
    .cta-box{position:relative;overflow:hidden;border-radius:var(--radius-xl);padding:48px 55px;background:linear-gradient(120deg,#ff915c,#7448ff 65%,#50d5d0);color:#fff}
    .cta-box:after{content:"";position:absolute;right:-60px;top:-100px;width:280px;height:280px;border:1px solid rgba(255,255,255,.3);border-radius:50%;box-shadow:0 0 0 35px rgba(255,255,255,.08)}
    .cta-box h2{position:relative;z-index:1;font-size:clamp(28px,4vw,43px);max-width:650px;line-height:1.3}
    .cta-box p{position:relative;z-index:1;max-width:650px;margin:13px 0 25px;color:rgba(255,255,255,.86)}
    .cta-box .btn{position:relative;z-index:1}
    .footer{background:#111827;color:#fff;padding:68px 0 25px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:35px;padding-bottom:48px}
    .footer-intro{max-width:280px;color:#9aa4b7;margin-top:18px;font-size:14px}
    .footer h3{font-size:14px;margin:8px 0 17px}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#9aa4b7;font-size:13px;transition:.2s}
    .footer-links a:hover{color:#ffd16d}
    .footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);color:#8c96aa;font-size:12px}
    .footer-bottom p{margin:3px 0}
    .footer-bottom a:hover{color:#fff}
    .footer-meta{text-align:right;line-height:2}
    @media(max-width:1024px){
      .nav-links{gap:0;margin-right:8px}
      .nav-links a{padding:8px 7px;font-size:12px}
      .benefit-grid{grid-template-columns:1fr 1fr}
      .benefit-card.featured{grid-column:span 2}
      .steps{grid-template-columns:1fr 1fr}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .site-header{padding:12px 0}
      .nav-wrap{padding:10px 14px}
      .menu-toggle{display:block}
      .nav-links{display:none;position:absolute;top:67px;left:16px;right:16px;margin:0;padding:10px;background:rgba(17,24,39,.95);border:1px solid rgba(255,255,255,.18);border-radius:16px;flex-direction:column;align-items:stretch}
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px}
      .nav-actions{display:none}
      .hero-inner{min-height:610px}
      .hero-content{padding:145px 0 80px}
      .hero-strip-inner{align-items:flex-start;flex-direction:column;gap:3px}
      .section{padding:70px 0}
      .section-head,.intro-layout,.points-board,.scene-layout,.quote-content,.faq-wrap{display:block}
      .section-head p{margin-top:16px}
      .intro-image{margin-top:28px}
      .benefit-grid{grid-template-columns:1fr}
      .benefit-card.featured{grid-column:auto}
      .benefit-card{min-height:0}
      .points-card+ .points-card{margin-top:18px}
      .scene-list{margin-top:18px}
      .steps{grid-template-columns:1fr}
      .step{min-height:0}
      .quote-box{margin-top:25px}
      .faq-list{margin-top:28px}
      .cta-box{padding:35px 25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
      .footer-grid>div:first-child{grid-column:span 2}
      .footer-bottom{display:block}
      .footer-meta{text-align:left;margin-top:15px}
    }
    @media(max-width:520px){
      .brand{font-size:18px}
      .hero h1{font-size:40px}
      .hero-intro{font-size:15px}
      .hero-buttons .btn{width:100%}
      .intro-image img{height:280px}
      .footer-grid{grid-template-columns:1fr}
      .footer-grid>div:first-child{grid-column:auto}
    }

/* roulang page: category6 */
:root{
      --ink:#151b2e;
      --muted:#697386;
      --soft:#f4f6fa;
      --paper:#ffffff;
      --line:#e7eaf1;
      --purple:#7448ff;
      --purple-deep:#4e2bbd;
      --orange:#ff915c;
      --cyan:#50d5d0;
      --dark:#111827;
      --shadow:0 20px 60px rgba(23,28,52,.11);
      --shadow-sm:0 10px 28px rgba(23,28,52,.08);
      --radius-xl:30px;
      --radius-lg:22px;
      --radius-md:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    h1,h2,h3,h4,p{margin:0}
    ul{list-style:none;padding:0;margin:0}
    .container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.12em}
    .eyebrow:before{content:"";width:24px;height:2px;background:var(--orange);border-radius:5px}
    .section{padding:94px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
    .section-head h2{font-size:clamp(28px,4vw,43px);line-height:1.2;margin-top:12px;letter-spacing:-.03em}
    .section-head p{max-width:530px;color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.25s ease;border:1px solid transparent}
    .btn-primary{color:#fff;background:var(--purple);box-shadow:0 12px 22px rgba(116,72,255,.25)}
    .btn-primary:hover{background:var(--purple-deep);transform:translateY(-2px);box-shadow:0 16px 28px rgba(116,72,255,.3)}
    .btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.45)}
    .btn-light:hover{background:#f7f3ff;color:var(--purple);transform:translateY(-2px)}
    .btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
    .btn-outline:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
    .btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(80,213,208,.7);outline-offset:3px}
    .site-header{position:absolute;z-index:10;top:0;left:0;right:0;padding:20px 0}
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:11px 14px 11px 20px;border:1px solid rgba(255,255,255,.24);background:rgba(17,24,39,.42);backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
    .brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;white-space:nowrap}
    .brand-mark{width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--orange),#ffd46b 44%,var(--cyan));position:relative;box-shadow:0 6px 16px rgba(255,145,92,.3)}
    .brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:7px;left:7px;box-shadow:10px 10px 0 rgba(255,255,255,.72)}
    .nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:18px}
    .nav-links a{color:rgba(255,255,255,.82);font-size:13px;padding:9px 12px;border-radius:10px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.16)}
    .nav-actions{display:flex;align-items:center;gap:9px}
    .nav-actions .btn{min-height:39px;padding:0 16px;font-size:13px}
    .menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
    .hero{position:relative;min-height:490px;color:#fff;display:flex;align-items:end;overflow:hidden;background:#17152d url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
    .hero:before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(12,16,39,.94),rgba(45,24,94,.73) 58%,rgba(18,21,45,.42))}
    .hero:after{content:"";position:absolute;right:-130px;top:90px;width:430px;height:430px;border:1px solid rgba(255,255,255,.16);border-radius:50%;box-shadow:0 0 0 45px rgba(255,255,255,.035),0 0 0 90px rgba(255,255,255,.025)}
    .hero-content{position:relative;z-index:1;padding:160px 0 68px;max-width:800px}
    .hero-kicker{display:inline-flex;align-items:center;gap:10px;padding:7px 12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);border-radius:999px;font-size:12px;color:#e8e5ff}
    .hero-kicker b{color:#ffd16d}
    .hero h1{font-size:clamp(40px,6vw,68px);line-height:1.12;margin:22px 0 18px;letter-spacing:-.04em}
    .hero h1 em{font-style:normal;color:#ffd16d}
    .hero-intro{max-width:700px;color:rgba(255,255,255,.8);font-size:17px;line-height:1.9}
    .hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
    .hero-strip{position:absolute;bottom:0;left:0;right:0;z-index:2;background:rgba(8,12,29,.55);border-top:1px solid rgba(255,255,255,.14)}
    .hero-strip-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:12px 0;color:rgba(255,255,255,.75);font-size:13px}
    .dot-list{display:flex;gap:7px;align-items:center}.dot-list i{width:7px;height:7px;border-radius:50%;background:#fff;opacity:.35}.dot-list i:first-child{width:23px;border-radius:8px;background:#ffd16d;opacity:1}
    .notice-bar{margin-top:-30px;position:relative;z-index:3}
    .notice-inner{display:flex;align-items:center;gap:18px;padding:20px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
    .notice-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;color:var(--purple);background:#f0ebff;font-size:20px;font-weight:900}
    .notice-inner strong{display:block;margin-bottom:2px}.notice-inner span{color:var(--muted);font-size:13px}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
    .stat{background:#fff;padding:25px 22px}.stat strong{font-size:30px;line-height:1;color:var(--purple);display:block;margin-bottom:8px}.stat span{font-size:13px;color:var(--muted)}
    .security-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:stretch}
    .security-copy{padding:38px;background:linear-gradient(135deg,#27204c,#5937a2);border-radius:var(--radius-xl);color:#fff;min-height:365px}
    .security-copy h2{font-size:34px;line-height:1.25;margin:15px 0}.security-copy p{color:rgba(255,255,255,.76);max-width:510px}
    .security-copy .btn{margin-top:28px}
    .security-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .security-item{padding:25px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-lg);transition:.25s}
    .security-item:hover{transform:translateY(-4px);background:#fff;box-shadow:var(--shadow-sm)}
    .item-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:#fff0e9;color:#ef743b;font-size:20px;font-weight:900;margin-bottom:17px}
    .security-item:nth-child(2) .item-icon{background:#e8fbfa;color:#159e9b}.security-item:nth-child(3) .item-icon{background:#eee9ff;color:var(--purple)}.security-item:nth-child(4) .item-icon{background:#fff7d9;color:#ba8b00}
    .security-item h3{font-size:18px;margin-bottom:8px}.security-item p{font-size:13px;color:var(--muted)}
    .split-section{background:var(--soft)}
    .split-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:58px;align-items:center}
    .image-frame{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow);min-height:380px}
    .image-frame img{width:100%;height:100%;min-height:380px;object-fit:cover}
    .image-badge{position:absolute;left:22px;bottom:22px;padding:14px 17px;border-radius:16px;background:rgba(17,24,39,.78);backdrop-filter:blur(12px);color:#fff;font-size:13px}
    .image-badge b{display:block;color:#ffd16d;font-size:22px;line-height:1.2}
    .copy h2{font-size:38px;line-height:1.25;margin:14px 0 16px}.copy>p{color:var(--muted);margin-bottom:24px}
    .check-list{display:grid;gap:13px}.check-list li{display:flex;gap:12px;align-items:flex-start}.check-list i{flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--purple);color:#fff;font-style:normal;text-align:center;line-height:22px;font-size:12px;margin-top:3px}.check-list span{color:var(--ink)}
    .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .process-card{position:relative;padding:27px 23px 25px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;box-shadow:0 8px 24px rgba(23,28,52,.04)}
    .process-card:after{content:"";position:absolute;top:42px;right:-17px;width:18px;height:1px;background:var(--orange)}.process-card:last-child:after{display:none}
    .process-no{font-size:13px;color:var(--orange);font-weight:900;letter-spacing:.08em}.process-card h3{font-size:18px;margin:17px 0 9px}.process-card p{font-size:13px;color:var(--muted)}
    .dark-section{background:var(--dark);color:#fff}.dark-section .section-head p{color:rgba(255,255,255,.62)}.dark-section .eyebrow{color:#b6a4ff}
    .monitor-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
    .monitor-panel{padding:30px;border:1px solid rgba(255,255,255,.11);border-radius:var(--radius-lg);background:rgba(255,255,255,.06)}
    .monitor-panel h3{font-size:21px;margin-bottom:17px}.monitor-panel p{color:rgba(255,255,255,.65);font-size:14px}
    .meter{height:9px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;margin:23px 0 10px}.meter b{display:block;width:92%;height:100%;background:linear-gradient(90deg,var(--purple),var(--cyan));border-radius:inherit}.meter-label{display:flex;justify-content:space-between;color:rgba(255,255,255,.6);font-size:12px}
    .tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}.tag{display:inline-flex;padding:7px 11px;border-radius:999px;background:rgba(255,255,255,.09);color:#dcd8ff;font-size:12px}
    .commit-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:stretch}
    .commit-main{padding:34px;border-radius:var(--radius-xl);background:#fff7f1;border:1px solid #ffe1d2}.commit-main h2{font-size:32px;line-height:1.3;margin:14px 0}.commit-main p{color:var(--muted);max-width:600px}
    .commit-side{display:grid;grid-template-columns:1fr 1fr;gap:14px}.commit-card{padding:24px;border-radius:var(--radius-lg);background:#f4f1ff;border:1px solid #e5ddff}.commit-card:nth-child(2){background:#e9fbfa;border-color:#d2f2f0}.commit-card:nth-child(3){background:#fff8dc;border-color:#f4e9aa}.commit-card:nth-child(4){background:#f3f5f9;border-color:var(--line)}.commit-card strong{display:block;font-size:28px;color:var(--purple);margin-bottom:4px}.commit-card p{font-size:13px;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:62px}.faq-intro h2{font-size:36px;line-height:1.25;margin:14px 0}.faq-intro p{color:var(--muted)}.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:var(--radius-md);background:#fff;overflow:hidden}.faq-item summary{cursor:pointer;padding:19px 22px;font-weight:800;list-style:none;position:relative;padding-right:52px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";position:absolute;right:20px;top:15px;color:var(--purple);font-size:24px;font-weight:400}.faq-item[open] summary:after{content:"−"}.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14px}
    .cta{padding:42px 0 105px}.cta-box{position:relative;overflow:hidden;padding:48px 55px;border-radius:var(--radius-xl);background:linear-gradient(105deg,#4e2bbd,#7448ff 57%,#3bacae);color:#fff;box-shadow:var(--shadow)}.cta-box:after{content:"";position:absolute;right:-80px;top:-130px;width:340px;height:340px;border:1px solid rgba(255,255,255,.2);border-radius:50%;box-shadow:0 0 0 35px rgba(255,255,255,.06),0 0 0 70px rgba(255,255,255,.04)}.cta-box h2{position:relative;z-index:1;font-size:clamp(27px,4vw,42px);line-height:1.25;max-width:650px;margin:13px 0}.cta-box p{position:relative;z-index:1;color:rgba(255,255,255,.78);max-width:650px}.cta-box .btn{position:relative;z-index:1;margin-top:25px}
    .footer{background:#111827;color:#fff;padding:64px 0 24px}.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:35px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.12)}.footer .brand{margin-bottom:18px}.footer-intro{max-width:300px;color:rgba(255,255,255,.58);font-size:13px}.footer h3{font-size:14px;margin:6px 0 15px}.footer-links{display:grid;gap:9px}.footer-links a{color:rgba(255,255,255,.58);font-size:13px;transition:.2s}.footer-links a:hover{color:#fff}.footer-bottom{display:flex;justify-content:space-between;gap:25px;padding-top:23px;color:rgba(255,255,255,.45);font-size:12px}.footer-bottom p{margin-bottom:4px}.footer-bottom a:hover{color:#fff}.footer-meta{text-align:right;line-height:2}
    @media(max-width:1024px){.nav-links a{padding-left:7px;padding-right:7px;font-size:12px}.nav-actions{display:none}.security-grid,.commit-grid{grid-template-columns:1fr}.split-grid{gap:35px}.process-grid{grid-template-columns:repeat(2,1fr)}.process-card:nth-child(2):after{display:none}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
    @media(max-width:768px){.container{width:min(var(--container),calc(100% - 34px))}.site-header{padding:14px 0}.nav-wrap{padding:10px 14px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;left:17px;right:17px;top:69px;margin:0;padding:10px;background:rgba(17,24,39,.96);border:1px solid rgba(255,255,255,.16);border-radius:15px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.nav-links a{padding:12px 14px}.hero{min-height:590px}.hero-content{padding-top:150px}.hero-strip-inner{font-size:11px}.hero-strip-inner span:last-child{display:none}.section{padding:70px 0}.section-head{display:block;margin-bottom:28px}.section-head p{margin-top:15px}.stat-grid{grid-template-columns:1fr 1fr}.security-list,.commit-side,.monitor-grid,.faq-wrap{grid-template-columns:1fr}.split-grid{grid-template-columns:1fr}.image-frame{min-height:290px}.image-frame img{min-height:290px}.copy h2{font-size:31px}.process-card:nth-child(odd):after{display:none}.cta{padding-bottom:75px}.cta-box{padding:34px 27px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-grid>div:first-child{grid-column:1/-1}.footer-bottom{display:block}.footer-meta{text-align:left;margin-top:15px}}
    @media(max-width:520px){body{font-size:14px}.hero h1{font-size:40px}.hero-intro{font-size:15px}.hero-buttons .btn{width:100%}.notice-inner{align-items:flex-start;padding:17px}.stat strong{font-size:25px}.security-copy{padding:27px}.security-copy h2{font-size:28px}.security-item{padding:21px}.process-grid{grid-template-columns:1fr}.process-card:after{display:none!important}.monitor-panel{padding:24px}.commit-main{padding:27px}.commit-main h2{font-size:28px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}}

/* roulang page: category7 */
:root{
 --ink:#151b2e;
 --muted:#697386;
 --soft:#f4f6fa;
 --paper:#fff;
 --line:#e7eaf1;
 --purple:#7448ff;
 --purple-deep:#4e2bbd;
 --orange:#ff915c;
 --cyan:#50d5d0;
 --dark:#111827;
 --shadow:0 20px 60px rgba(23,28,52,.11);
 --shadow-sm:0 10px 28px rgba(23,28,52,.08);
 --radius-xl:30px;
 --radius-lg:22px;
 --radius-md:16px;
 --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.75;font-size:15px}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
button{border:0;cursor:pointer}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}
h1,h2,h3,h4{line-height:1.22;letter-spacing:-.035em}
h2{font-size:clamp(30px,4vw,48px)}
p{color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--purple);font-size:12px;font-weight:800;letter-spacing:.12em}
.eyebrow:before{content:"";width:24px;height:2px;background:var(--orange);border-radius:5px}
.section{padding:94px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:38px}
.section-head p{max-width:540px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:0 22px;border-radius:999px;font-weight:800;transition:.25s ease;border:1px solid transparent}
.btn-primary{color:#fff;background:var(--purple);box-shadow:0 12px 22px rgba(116,72,255,.25)}
.btn-primary:hover{background:var(--purple-deep);transform:translateY(-2px);box-shadow:0 16px 28px rgba(116,72,255,.3)}
.btn-light{background:#fff;color:var(--ink);border-color:rgba(255,255,255,.45)}
.btn-light:hover{background:#f7f3ff;color:var(--purple);transform:translateY(-2px)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--purple);color:var(--purple);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid rgba(80,213,208,.7);outline-offset:3px}
.site-header{position:absolute;z-index:10;top:0;left:0;right:0;padding:20px 0}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:11px 14px 11px 20px;border:1px solid rgba(255,255,255,.24);background:rgba(17,24,39,.42);backdrop-filter:blur(18px);border-radius:18px;box-shadow:0 12px 30px rgba(0,0,0,.12)}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:21px;font-weight:900;white-space:nowrap}
.brand-mark{width:32px;height:32px;border-radius:11px;background:linear-gradient(135deg,var(--orange),#ffd46b 44%,var(--cyan));position:relative;box-shadow:0 6px 16px rgba(255,145,92,.3)}
.brand-mark:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#fff;top:7px;left:7px;box-shadow:10px 10px 0 rgba(255,255,255,.72)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:18px}
.nav-links a{color:rgba(255,255,255,.82);font-size:13px;padding:9px 12px;border-radius:10px;transition:.2s;white-space:nowrap}
.nav-links a:hover,.nav-links a.active{color:#fff;background:rgba(255,255,255,.16)}
.nav-actions{display:flex;align-items:center;gap:9px}
.nav-actions .btn{min-height:39px;padding:0 16px;font-size:13px}
.menu-toggle{display:none;background:transparent;color:#fff;font-size:24px;padding:4px}
.hero{min-height:590px;color:#fff;position:relative;display:flex;align-items:center;overflow:hidden;background:#17152d url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(108deg,rgba(12,16,39,.93),rgba(37,22,78,.68) 55%,rgba(18,21,45,.42))}
.hero:after{content:"";position:absolute;right:-140px;top:105px;width:500px;height:500px;border:1px solid rgba(255,255,255,.16);border-radius:50%;box-shadow:0 0 0 46px rgba(255,255,255,.035),0 0 0 92px rgba(255,255,255,.025)}
.hero-content{position:relative;z-index:1;padding:135px 0 72px;max-width:770px}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;padding:7px 12px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.1);border-radius:999px;font-size:12px;color:#e8e5ff}
.hero-kicker b{color:#ffd16d}
.hero h1{font-size:clamp(42px,7vw,72px);margin:24px 0 20px}
.hero h1 em{font-style:normal;color:#ffd16d}
.hero-intro{max-width:680px;color:rgba(255,255,255,.82);font-size:17px;line-height:1.9}
.hero-buttons{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 30px}
.hero-metrics{display:flex;gap:30px;flex-wrap:wrap}
.hero-metrics div{padding-left:15px;border-left:2px solid rgba(255,255,255,.34)}
.hero-metrics strong{display:block;font-size:23px;color:#fff}
.hero-metrics span{font-size:12px;color:rgba(255,255,255,.62)}
.hero-panel{position:absolute;z-index:2;right:max(24px,calc((100% - 1180px)/2));bottom:75px;width:285px;padding:22px;border:1px solid rgba(255,255,255,.2);border-radius:24px;background:rgba(17,24,39,.58);backdrop-filter:blur(18px);box-shadow:var(--shadow)}
.ring{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;margin-bottom:16px;background:conic-gradient(var(--orange) 0 72%,rgba(255,255,255,.15) 72% 100%);position:relative}
.ring:after{content:"";position:absolute;inset:9px;border-radius:50%;background:#242044}
.ring b{position:relative;z-index:1;font-size:21px}
.hero-panel h3{font-size:18px;margin-bottom:8px}
.hero-panel p{font-size:13px;color:rgba(255,255,255,.68)}
.panel-dots{display:flex;gap:6px;margin-top:18px}
.panel-dots i{width:7px;height:7px;background:#fff;border-radius:50%;opacity:.35}
.panel-dots i:first-child{width:24px;border-radius:8px;background:var(--orange);opacity:1}
.info-band{margin-top:-1px;background:#fff;position:relative;z-index:3}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm)}
.trust-item{background:#fff;display:flex;align-items:center;gap:13px;padding:21px}
.trust-item strong{display:block;font-size:14px}
.trust-item span{font-size:12px;color:var(--muted)}
.intro-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
.intro-layout h2{margin:14px 0 18px}
.intro-copy p{font-size:16px;margin-bottom:18px}
.quote-box{padding:28px;border-left:4px solid var(--orange);background:var(--soft);border-radius:0 var(--radius-lg) var(--radius-lg) 0;font-size:18px;font-weight:700}
.image-card{position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:365px;box-shadow:var(--shadow)}
.image-card img{width:100%;height:365px;object-fit:cover}
.image-card figcaption{position:absolute;left:20px;right:20px;bottom:18px;padding:14px 16px;color:#fff;background:rgba(17,24,39,.68);backdrop-filter:blur(10px);border-radius:14px;font-size:13px}
.soft-section{background:var(--soft)}
.step-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:22px}
.step-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.step-card{padding:25px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;transition:.25s}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.step-index{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;color:#fff;background:var(--purple);font-weight:900}
.step-card h3{font-size:20px;margin:18px 0 8px}
.step-card p{font-size:14px}
.tip-card{padding:32px;border-radius:var(--radius-xl);background:linear-gradient(140deg,#241d48,#5c3db5);color:#fff;display:flex;flex-direction:column;justify-content:space-between}
.tip-card h3{font-size:28px;max-width:270px}
.tip-card p{color:rgba(255,255,255,.72);margin:20px 0}
.tip-list{list-style:none;border-top:1px solid rgba(255,255,255,.2);padding-top:15px}
.tip-list li{padding:8px 0;color:rgba(255,255,255,.8)}
.tip-list li:before{content:"✓";color:#ffd16d;font-weight:900;margin-right:8px}
.scene-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.scene-card{min-height:250px;padding:28px;border-radius:var(--radius-lg);position:relative;overflow:hidden;background:#fff;border:1px solid var(--line)}
.scene-card:nth-child(2){background:#fff4ec}
.scene-card:nth-child(3){background:#eefcfb}
.scene-card h3{font-size:22px;margin:16px 0 10px}
.scene-card p{font-size:14px;max-width:260px}
.scene-card .tag{position:absolute;right:22px;top:22px}
.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:rgba(116,72,255,.1);color:var(--purple);font-size:11px;font-weight:800}
.scene-icon{font-size:30px}
.feature-wide{display:grid;grid-template-columns:.8fr 1.2fr;gap:44px;align-items:center}
.feature-wide img{height:320px;width:100%;object-fit:cover;border-radius:var(--radius-xl);box-shadow:var(--shadow)}
.feature-wide h2{margin:14px 0 17px}
.check-list{list-style:none;margin:22px 0}
.check-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.check-list li:before{content:"";flex:0 0 20px;height:20px;margin-top:3px;border-radius:50%;background:var(--cyan);box-shadow:inset 0 0 0 5px #e9fffd}
.data-section{background:#17152d;color:#fff}
.data-section p{color:rgba(255,255,255,.66)}
.data-head{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:34px}
.data-head h2{max-width:560px}
.data-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:15px}
.data-card{padding:28px;border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);background:rgba(255,255,255,.07)}
.data-card strong{display:block;font-size:38px;color:#ffd16d}
.data-card span{color:rgba(255,255,255,.65);font-size:13px}
.data-card p{margin-top:12px;font-size:13px}
.preference{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.preference article{padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff}
.preference h3{font-size:21px;margin-bottom:10px}
.preference ul{list-style:none;color:var(--muted)}
.preference li{padding:8px 0;border-bottom:1px dashed var(--line)}
.preference li:before{content:"•";color:var(--orange);font-weight:bold;margin-right:10px}
.faq-list{max-width:900px;margin:auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:21px 0;font-size:17px;font-weight:800;display:flex;justify-content:space-between;gap:20px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";color:var(--purple);font-size:24px;line-height:1}
.faq-item[open] summary:after{content:"−"}
.faq-item p{padding:0 36px 22px 0;font-size:14px}
.cta{padding:36px 42px;border-radius:var(--radius-xl);background:linear-gradient(110deg,#7448ff,#4e2bbd);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:25px;box-shadow:var(--shadow)}
.cta h2{font-size:32px;margin:10px 0}
.cta p{color:rgba(255,255,255,.75);max-width:620px}
.footer{background:#111827;color:#fff;padding:65px 0 25px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:35px;padding-bottom:45px}
.footer-intro{color:rgba(255,255,255,.6);max-width:270px;margin-top:18px;font-size:13px}
.footer h3{font-size:14px;margin-bottom:14px}
.footer-links{list-style:none}
.footer-links li{margin:8px 0}
.footer-links a,.footer-meta a{color:rgba(255,255,255,.6);font-size:13px;transition:.2s}
.footer-links a:hover,.footer-meta a:hover{color:#ffd16d}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;justify-content:space-between;gap:20px;color:rgba(255,255,255,.6);font-size:12px}
.footer-bottom p{color:rgba(255,255,255,.6);font-size:12px}
.footer-meta{text-align:right}
@media(max-width:1024px){
 .nav-links{gap:0;margin-right:8px}.nav-links a{padding:8px 7px;font-size:12px}
 .hero-panel{right:24px;bottom:62px}.hero-content{max-width:650px}
 .intro-layout,.step-layout,.feature-wide{gap:28px}
}
@media(max-width:768px){
 .container{width:min(var(--container),calc(100% - 32px))}
 .site-header{padding:12px 0}.nav-wrap{padding:10px 14px 10px 16px}
 .menu-toggle{display:block}.nav-actions{display:none}
 .nav-links{display:none;position:absolute;top:64px;left:16px;right:16px;padding:10px;flex-direction:column;align-items:stretch;background:#20203e;border:1px solid rgba(255,255,255,.2);border-radius:16px}
 .nav-links.open{display:flex}.nav-links a{padding:11px 13px}
 .hero{min-height:720px}.hero-content{padding:130px 0 70px}.hero-panel{position:relative;right:auto;bottom:auto;margin:-160px 16px 35px auto;width:250px}
 .hero h1{font-size:48px}.hero-intro{font-size:15px}
 .trust-row{grid-template-columns:1fr 1fr}.section{padding:70px 0}
 .section-head,.data-head{display:block}.section-head p,.data-head p{margin-top:14px}
 .intro-layout,.step-layout,.feature-wide{grid-template-columns:1fr}
 .step-list,.scene-grid,.data-grid,.preference{grid-template-columns:1fr 1fr}
 .image-card{min-height:280px}.image-card img{height:280px}
 .cta{display:block;padding:30px 25px}.cta .btn{margin-top:20px}
 .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}
 .footer-bottom{display:block}.footer-meta{text-align:left;margin-top:13px}
}
@media(max-width:520px){
 .hero h1{font-size:40px}.hero-panel{margin-top:-120px}
 .trust-row,.step-list,.scene-grid,.data-grid,.preference{grid-template-columns:1fr}
 .trust-item{padding:16px}.section-head{margin-bottom:27px}
 .feature-wide img{height:250px}.data-card strong{font-size:32px}
 .footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}
}